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><A
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></P
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN139431"
>Symbols</A
></H2
><DL
><DT
>$,
    <A
HREF="sql-expressions.html#AEN1822"
>Positional Parameters</A
>
  </DT
><DT
>$libdir,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>$libdir/plugins,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER"
>Other Defaults</A
>,
    <A
HREF="sql-load.html#SQL-LOAD-DESCRIPTION"
>Description</A
>
  </DT
><DT
>*,
    <A
HREF="queries-select-lists.html#QUERIES-SELECT-LIST-ITEMS"
>Select-List Items</A
>
  </DT
><DT
>.pgpass,
    <A
HREF="libpq-pgpass.html"
>The Password File</A
>
  </DT
><DT
>.pg_service.conf,
    <A
HREF="libpq-pgservice.html"
>The Connection Service File</A
>
  </DT
><DT
>::,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS"
>Type Casts</A
>
  </DT
><DT
>_PG_fini,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>_PG_init,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN139461"
>A</A
></H2
><DL
><DT
>abbrev,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>ABORT,
    <A
HREF="sql-abort.html"
>ABORT</A
>
  </DT
><DT
>abs,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>acos,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>administration tools
  </DT
><DD
><DL
><DT
>externally maintained,
    <A
HREF="external-admin-tools.html"
>Administration Tools</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>adminpack,
    <A
HREF="adminpack.html"
>adminpack</A
>
  </DT
><DT
>age,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>aggregate function,
    <A
HREF="tutorial-agg.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
><DT
>built-in,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>invocation,
    <A
HREF="sql-expressions.html#SYNTAX-AGGREGATES"
>Aggregate Expressions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>user-defined,
    <A
HREF="xaggr.html"
>User-defined Aggregates</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>AIX
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-AIX"
>AIX</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>alias
  </DT
><DD
><DL
><DT
>for table name in query,
    <A
HREF="tutorial-join.html"
>Joins Between Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in the FROM clause,
    <A
HREF="queries-table-expressions.html#QUERIES-TABLE-ALIASES"
>Table and Column Aliases</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in the select list,
    <A
HREF="queries-select-lists.html#QUERIES-COLUMN-LABELS"
>Column Labels</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ALL,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>allow_system_table_mods configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>ALTER AGGREGATE,
    <A
HREF="sql-alteraggregate.html"
>ALTER AGGREGATE</A
>
  </DT
><DT
>ALTER COLLATION,
    <A
HREF="sql-altercollation.html"
>ALTER COLLATION</A
>
  </DT
><DT
>ALTER CONVERSION,
    <A
HREF="sql-alterconversion.html"
>ALTER CONVERSION</A
>
  </DT
><DT
>ALTER DATABASE,
    <A
HREF="sql-alterdatabase.html"
>ALTER DATABASE</A
>
  </DT
><DT
>ALTER DEFAULT PRIVILEGES,
    <A
HREF="sql-alterdefaultprivileges.html"
>ALTER DEFAULT PRIVILEGES</A
>
  </DT
><DT
>ALTER DOMAIN,
    <A
HREF="sql-alterdomain.html"
>ALTER DOMAIN</A
>
  </DT
><DT
>ALTER EXTENSION,
    <A
HREF="sql-alterextension.html"
>ALTER EXTENSION</A
>
  </DT
><DT
>ALTER FOREIGN DATA WRAPPER,
    <A
HREF="sql-alterforeigndatawrapper.html"
>ALTER FOREIGN DATA WRAPPER</A
>
  </DT
><DT
>ALTER FOREIGN TABLE,
    <A
HREF="sql-alterforeigntable.html"
>ALTER FOREIGN TABLE</A
>
  </DT
><DT
>ALTER FUNCTION,
    <A
HREF="sql-alterfunction.html"
>ALTER FUNCTION</A
>
  </DT
><DT
>ALTER GROUP,
    <A
HREF="sql-altergroup.html"
>ALTER GROUP</A
>
  </DT
><DT
>ALTER INDEX,
    <A
HREF="sql-alterindex.html"
>ALTER INDEX</A
>
  </DT
><DT
>ALTER LANGUAGE,
    <A
HREF="sql-alterlanguage.html"
>ALTER LANGUAGE</A
>
  </DT
><DT
>ALTER LARGE OBJECT,
    <A
HREF="sql-alterlargeobject.html"
>ALTER LARGE OBJECT</A
>
  </DT
><DT
>ALTER OPERATOR,
    <A
HREF="sql-alteroperator.html"
>ALTER OPERATOR</A
>
  </DT
><DT
>ALTER OPERATOR CLASS,
    <A
HREF="sql-alteropclass.html"
>ALTER OPERATOR CLASS</A
>
  </DT
><DT
>ALTER OPERATOR FAMILY,
    <A
HREF="sql-alteropfamily.html"
>ALTER OPERATOR FAMILY</A
>
  </DT
><DT
>ALTER ROLE,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>,
    <A
HREF="sql-alterrole.html"
>ALTER ROLE</A
>
  </DT
><DT
>ALTER SCHEMA,
    <A
HREF="sql-alterschema.html"
>ALTER SCHEMA</A
>
  </DT
><DT
>ALTER SEQUENCE,
    <A
HREF="sql-altersequence.html"
>ALTER SEQUENCE</A
>
  </DT
><DT
>ALTER SERVER,
    <A
HREF="sql-alterserver.html"
>ALTER SERVER</A
>
  </DT
><DT
>ALTER TABLE,
    <A
HREF="sql-altertable.html"
>ALTER TABLE</A
>
  </DT
><DT
>ALTER TABLESPACE,
    <A
HREF="sql-altertablespace.html"
>ALTER TABLESPACE</A
>
  </DT
><DT
>ALTER TEXT SEARCH CONFIGURATION,
    <A
HREF="sql-altertsconfig.html"
>ALTER TEXT SEARCH CONFIGURATION</A
>
  </DT
><DT
>ALTER TEXT SEARCH DICTIONARY,
    <A
HREF="sql-altertsdictionary.html"
>ALTER TEXT SEARCH DICTIONARY</A
>
  </DT
><DT
>ALTER TEXT SEARCH PARSER,
    <A
HREF="sql-altertsparser.html"
>ALTER TEXT SEARCH PARSER</A
>
  </DT
><DT
>ALTER TEXT SEARCH TEMPLATE,
    <A
HREF="sql-altertstemplate.html"
>ALTER TEXT SEARCH TEMPLATE</A
>
  </DT
><DT
>ALTER TRIGGER,
    <A
HREF="sql-altertrigger.html"
>ALTER TRIGGER</A
>
  </DT
><DT
>ALTER TYPE,
    <A
HREF="sql-altertype.html"
>ALTER TYPE</A
>
  </DT
><DT
>ALTER USER,
    <A
HREF="sql-alteruser.html"
>ALTER USER</A
>
  </DT
><DT
>ALTER USER MAPPING,
    <A
HREF="sql-alterusermapping.html"
>ALTER USER MAPPING</A
>
  </DT
><DT
>ALTER VIEW,
    <A
HREF="sql-alterview.html"
>ALTER VIEW</A
>
  </DT
><DT
>ANALYZE,
    <A
HREF="routine-vacuuming.html#VACUUM-FOR-STATISTICS"
>Updating Planner Statistics</A
>,
    <A
HREF="sql-analyze.html"
>ANALYZE</A
>
  </DT
><DT
>AND (operator),
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DT
>anonymous code blocks,
    <A
HREF="sql-do.html"
>DO</A
>
  </DT
><DT
>any,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>anyarray,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>anyelement,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>anyenum,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>anynonarray,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>applicable role,
    <A
HREF="infoschema-applicable-roles.html"
>applicable_roles</A
>
  </DT
><DT
>application_name configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>arbitrary precision numbers,
    <A
HREF="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL"
>Arbitrary Precision Numbers</A
>
  </DT
><DT
>archive_cleanup_command recovery parameter,
    <A
HREF="archive-recovery-settings.html"
>Archive Recovery Settings</A
>
  </DT
><DT
>archive_command configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING"
>Archiving</A
>
  </DT
><DT
>archive_mode configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING"
>Archiving</A
>
  </DT
><DT
>archive_timeout configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-ARCHIVING"
>Archiving</A
>
  </DT
><DT
>area,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>ARRAY,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS"
>Array Constructors</A
>,
    <A
HREF="arrays.html"
>Arrays</A
>
  </DT
><DD
><DL
><DT
>accessing,
    <A
HREF="arrays.html#ARRAYS-ACCESSING"
>Accessing Arrays</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>constant,
    <A
HREF="arrays.html#ARRAYS-INPUT"
>Array Value Input</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>constructor,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS"
>Array Constructors</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>declaration,
    <A
HREF="arrays.html#ARRAYS-DECLARATION"
>Declaration of Array Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>determination of result type,
    <A
HREF="typeconv-union-case.html"
>UNION, CASE, and Related Constructs</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>I/O,
    <A
HREF="arrays.html#ARRAYS-IO"
>Array Input and Output Syntax</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>modifying,
    <A
HREF="arrays.html#ARRAYS-MODIFYING"
>Modifying Arrays</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>of user-defined type,
    <A
HREF="xtypes.html"
>User-defined Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>searching,
    <A
HREF="arrays.html#ARRAYS-SEARCHING"
>Searching in Arrays</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>array_agg,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>array_append,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_cat,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_dims,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_fill,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_length,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_lower,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_ndims,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_nulls configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>array_prepend,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_to_string,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>array_upper,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>ascii,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>asin,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>asynchronous commit,
    <A
HREF="wal-async-commit.html"
>Asynchronous Commit</A
>
  </DT
><DT
>AT TIME ZONE,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT"
>AT TIME ZONE</A
>
  </DT
><DT
>atan,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>atan2,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>authentication_timeout configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>auth_delay,
    <A
HREF="auth-delay.html"
>auth_delay</A
>
  </DT
><DT
>auth_delay.milliseconds configuration parameter,
    <A
HREF="auth-delay.html#AEN130129"
>Configuration Parameters</A
>
  </DT
><DT
>auto-increment
  </DT
><DD
><DL
><DT
>see serial</DT
></DL
></DD
><DT
>autocommit
  </DT
><DD
><DL
><DT
>bulk-loading data,
    <A
HREF="populate.html#DISABLE-AUTOCOMMIT"
>Disable Autocommit</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>psql,
    <A
HREF="app-psql.html#APP-PSQL-VARIABLES"
>Variables</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>autovacuum
  </DT
><DD
><DL
><DT
>configuration parameters,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>general information,
    <A
HREF="routine-vacuuming.html#AUTOVACUUM"
>The Autovacuum Daemon</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>autovacuum configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_analyze_scale_factor configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_analyze_threshold configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_freeze_max_age configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_max_workers configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_naptime configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_vacuum_cost_delay configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_vacuum_cost_limit configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_vacuum_scale_factor configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>autovacuum_vacuum_threshold configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>auto_explain,
    <A
HREF="auto-explain.html"
>auto_explain</A
>
  </DT
><DT
>auto_explain.log_analyze configuration parameter,
    <A
HREF="auto-explain.html#AEN130162"
>Configuration Parameters</A
>
  </DT
><DT
>auto_explain.log_buffers configuration parameter,
    <A
HREF="auto-explain.html#AEN130162"
>Configuration Parameters</A
>
  </DT
><DT
>auto_explain.log_format configuration parameter,
    <A
HREF="auto-explain.html#AEN130162"
>Configuration Parameters</A
>
  </DT
><DT
>auto_explain.log_min_duration configuration parameter,
    <A
HREF="auto-explain.html#AEN130162"
>Configuration Parameters</A
>
  </DT
><DT
>auto_explain.log_nested_statements configuration parameter,
    <A
HREF="auto-explain.html#AEN130162"
>Configuration Parameters</A
>
  </DT
><DT
>auto_explain.log_verbose configuration parameter,
    <A
HREF="auto-explain.html#AEN130162"
>Configuration Parameters</A
>
  </DT
><DT
>average,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>avg,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN139821"
>B</A
></H2
><DL
><DT
>B-tree
  </DT
><DD
><DL
><DT
>see index</DT
></DL
></DD
><DT
>backslash escapes,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-ESCAPE"
>String Constants with C-style Escapes</A
>
  </DT
><DT
>backslash_quote configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>backup,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>,
    <A
HREF="backup.html"
>Backup and Restore</A
>
  </DT
><DT
>base type,
    <A
HREF="extend-type-system.html"
>The PostgreSQL Type System</A
>
  </DT
><DT
>BEGIN,
    <A
HREF="sql-begin.html"
>BEGIN</A
>
  </DT
><DT
>BETWEEN,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>BETWEEN SYMMETRIC,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>bgwriter_delay configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER"
>Background Writer</A
>
  </DT
><DT
>bgwriter_lru_maxpages configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER"
>Background Writer</A
>
  </DT
><DT
>bgwriter_lru_multiplier configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-BACKGROUND-WRITER"
>Background Writer</A
>
  </DT
><DT
>bigint,
    <A
HREF="sql-syntax-lexical.html#AEN1452"
>Numeric Constants</A
>,
    <A
HREF="datatype-numeric.html#DATATYPE-INT"
>Integer Types</A
>
  </DT
><DT
>bigserial,
    <A
HREF="datatype-numeric.html#DATATYPE-SERIAL"
>Serial Types</A
>
  </DT
><DT
>binary data,
    <A
HREF="datatype-binary.html"
>Binary Data Types</A
>
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>binary string
  </DT
><DD
><DL
><DT
>concatenation,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>length,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>bison,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>bit string
  </DT
><DD
><DL
><DT
>constant,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-BIT-STRINGS"
>Bit-string Constants</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>data type,
    <A
HREF="datatype-bit.html"
>Bit String Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>bit strings
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="functions-bitstring.html"
>Bit String Functions and Operators</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>bitmap scan,
    <A
HREF="indexes-bitmap-scans.html"
>Combining Multiple Indexes</A
>,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>bit_and,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>bit_length,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>bit_or,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>BLOB
  </DT
><DD
><DL
><DT
>see large object</DT
></DL
></DD
><DT
>block_size configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>bonjour configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>bonjour_name configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>Boolean
  </DT
><DD
><DL
><DT
>data type,
    <A
HREF="datatype-boolean.html"
>Boolean Type</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>operators
  </DT
><DD
><DL
><DT
>see operators, logical</DT
></DL
></DD
></DL
></DD
><DT
>bool_and,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>bool_or,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>booting
  </DT
><DD
><DL
><DT
>starting the server during,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>box,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>box (data type),
    <A
HREF="datatype-geometric.html#AEN6479"
>Boxes</A
>
  </DT
><DT
>broadcast,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>BSD/OS
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>btree_gin,
    <A
HREF="btree-gin.html"
>btree_gin</A
>
  </DT
><DT
>btree_gist,
    <A
HREF="btree-gist.html"
>btree_gist</A
>
  </DT
><DT
>btrim,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>bytea,
    <A
HREF="datatype-binary.html"
>Binary Data Types</A
>
  </DT
><DT
>bytea_output configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN139960"
>C</A
></H2
><DL
><DT
>C,
    <A
HREF="libpq.html"
>libpq - C Library</A
>,
    <A
HREF="ecpg.html"
>ECPG - Embedded SQL in C</A
>
  </DT
><DT
>C++,
    <A
HREF="xfunc-c.html#EXTEND-CPP"
>Using C++ for Extensibility</A
>
  </DT
><DT
>canceling
  </DT
><DD
><DL
><DT
>SQL command,
    <A
HREF="libpq-cancel.html"
>Canceling Queries in Progress</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>CASCADE
  </DT
><DD
><DL
><DT
>with DROP,
    <A
HREF="ddl-depend.html"
>Dependency Tracking</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>foreign key action,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-FK"
>Foreign Keys</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>CASE,
    <A
HREF="functions-conditional.html"
>Conditional Expressions</A
>
  </DT
><DD
><DL
><DT
>determination of result type,
    <A
HREF="typeconv-union-case.html"
>UNION, CASE, and Related Constructs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>case sensitivity
  </DT
><DD
><DL
><DT
>of SQL commands,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>cast
  </DT
><DD
><DL
><DT
>I/O conversion,
    <A
HREF="sql-createcast.html"
>CREATE CAST</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>cbrt,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>ceil,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>ceiling,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>center,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>Certificate,
    <A
HREF="auth-methods.html#AUTH-CERT"
>Certificate Authentication</A
>
  </DT
><DT
>char,
    <A
HREF="datatype-character.html"
>Character Types</A
>
  </DT
><DT
>character,
    <A
HREF="datatype-character.html"
>Character Types</A
>
  </DT
><DT
>character set,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>,
    <A
HREF="multibyte.html"
>Character Set Support</A
>
  </DT
><DT
>character string
  </DT
><DD
><DL
><DT
>concatenation,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>constant,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS"
>String Constants</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>data types,
    <A
HREF="datatype-character.html"
>Character Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>length,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>character varying,
    <A
HREF="datatype-character.html"
>Character Types</A
>
  </DT
><DT
>char_length,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>check constraint,
    <A
HREF="ddl-constraints.html#AEN2410"
>Check Constraints</A
>
  </DT
><DT
>checkpoint,
    <A
HREF="wal-configuration.html"
>WAL Configuration</A
>,
    <A
HREF="sql-checkpoint.html"
>CHECKPOINT</A
>
  </DT
><DT
>checkpoint_completion_target configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS"
>Checkpoints</A
>
  </DT
><DT
>checkpoint_segments configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS"
>Checkpoints</A
>
  </DT
><DT
>checkpoint_timeout configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS"
>Checkpoints</A
>
  </DT
><DT
>checkpoint_warning configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-CHECKPOINTS"
>Checkpoints</A
>
  </DT
><DT
>check_function_bodies configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>chkpass,
    <A
HREF="chkpass.html"
>chkpass</A
>
  </DT
><DT
>chr,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>cid,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>cidr,
    <A
HREF="datatype-net-types.html#DATATYPE-CIDR"
>cidr</A
>
  </DT
><DT
>circle,
    <A
HREF="datatype-geometric.html#AEN6566"
>Circles</A
>,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>citext,
    <A
HREF="citext.html"
>citext</A
>
  </DT
><DT
>client authentication,
    <A
HREF="client-authentication.html"
>Client Authentication</A
>
  </DT
><DD
><DL
><DT
>timeout during,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>client_encoding configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>client_min_messages configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN"
>When To Log</A
>
  </DT
><DT
>clock_timestamp,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>CLOSE,
    <A
HREF="sql-close.html"
>CLOSE</A
>
  </DT
><DT
>CLUSTER,
    <A
HREF="sql-cluster.html"
>CLUSTER</A
>
  </DT
><DD
><DL
><DT
>of databases
  </DT
><DD
><DL
><DT
>see database cluster</DT
></DL
></DD
></DL
></DD
><DT
>clusterdb,
    <A
HREF="app-clusterdb.html"
>clusterdb</A
>
  </DT
><DT
>clustering,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>cmax,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DT
>cmin,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DT
>COALESCE,
    <A
HREF="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL"
>COALESCE</A
>
  </DT
><DT
>COLLATE,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-COLLATE-EXPRS"
>Collation Expressions</A
>
  </DT
><DT
>collation,
    <A
HREF="collation.html"
>Collation Support</A
>
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-declarations.html#PLPGSQL-DECLARATION-COLLATION"
>Collation of PL/pgSQL Variables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in SQL functions,
    <A
HREF="xfunc-sql.html#AEN49959"
>SQL Functions with Collations</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>column,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>,
    <A
HREF="ddl-basics.html"
>Table Basics</A
>
  </DT
><DD
><DL
><DT
>adding,
    <A
HREF="ddl-alter.html#AEN2706"
>Adding a Column</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>removing,
    <A
HREF="ddl-alter.html#AEN2722"
>Removing a Column</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>renaming,
    <A
HREF="ddl-alter.html#AEN2777"
>Renaming a Column</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>system column,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>column data type
  </DT
><DD
><DL
><DT
>changing,
    <A
HREF="ddl-alter.html#AEN2767"
>Changing a Column's Data Type</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>column reference,
    <A
HREF="sql-expressions.html#AEN1810"
>Column References</A
>
  </DT
><DT
>col_description,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>COMMENT,
    <A
HREF="sql-comment.html"
>COMMENT</A
>
  </DT
><DD
><DL
><DT
>about database objects,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in SQL,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-COMMENTS"
>Comments</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>COMMIT,
    <A
HREF="sql-commit.html"
>COMMIT</A
>
  </DT
><DT
>COMMIT PREPARED,
    <A
HREF="sql-commit-prepared.html"
>COMMIT PREPARED</A
>
  </DT
><DT
>commit_delay configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>commit_siblings configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>common table expression
  </DT
><DD
><DL
><DT
>see WITH</DT
></DL
></DD
><DT
>comparison
  </DT
><DD
><DL
><DT
>operators,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>row-wise,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>subquery result row,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>compiling
  </DT
><DD
><DL
><DT
>libpq applications,
    <A
HREF="libpq-build.html"
>Building libpq Programs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>composite type,
    <A
HREF="rowtypes.html"
>Composite Types</A
>,
    <A
HREF="extend-type-system.html"
>The PostgreSQL Type System</A
>
  </DT
><DD
><DL
><DT
>constant,
    <A
HREF="rowtypes.html#AEN7228"
>Composite Value Input</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>constructor,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS"
>Row Constructors</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>computed field,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-COMPOSITE-FUNCTIONS"
>SQL Functions on Composite Types</A
>
  </DT
><DT
>concat,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>concat_ws,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>concurrency,
    <A
HREF="mvcc.html"
>Concurrency Control</A
>
  </DT
><DT
>conditional expression,
    <A
HREF="functions-conditional.html"
>Conditional Expressions</A
>
  </DT
><DT
>configuration
  </DT
><DD
><DL
><DT
>of recovery
  </DT
><DD
><DL
><DT
>of a standby server,
    <A
HREF="recovery-config.html"
>Recovery Configuration</A
>
  </DT
></DL
></DD
><DT
>of the server,
    <A
HREF="runtime-config.html"
>Server Configuration</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>of the server
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
></DL
></DD
></DL
></DD
><DT
>configure,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
><DT
>config_file configuration parameter,
    <A
HREF="runtime-config-file-locations.html"
>File Locations</A
>
  </DT
><DT
>conjunction,
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DT
>connection service file,
    <A
HREF="libpq-pgservice.html"
>The Connection Service File</A
>
  </DT
><DT
>constant,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS"
>Constants</A
>
  </DT
><DT
>constraint,
    <A
HREF="ddl-constraints.html"
>Constraints</A
>
  </DT
><DD
><DL
><DT
>adding,
    <A
HREF="ddl-alter.html#AEN2733"
>Adding a Constraint</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>check,
    <A
HREF="ddl-constraints.html#AEN2410"
>Check Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>exclusion,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-EXCLUSION"
>Exclusion Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>foreign key,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-FK"
>Foreign Keys</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>name,
    <A
HREF="ddl-constraints.html#AEN2410"
>Check Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>NOT NULL,
    <A
HREF="ddl-constraints.html#AEN2444"
>Not-Null Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>primary key,
    <A
HREF="ddl-constraints.html#AEN2493"
>Primary Keys</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>removing,
    <A
HREF="ddl-alter.html#AEN2742"
>Removing a Constraint</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>unique,
    <A
HREF="ddl-constraints.html#AEN2470"
>Unique Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>constraint exclusion,
    <A
HREF="ddl-partitioning.html#DDL-PARTITIONING-CONSTRAINT-EXCLUSION"
>Partitioning and Constraint Exclusion</A
>,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER"
>Other Planner Options</A
>
  </DT
><DT
>constraint_exclusion configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER"
>Other Planner Options</A
>
  </DT
><DT
>CONTINUE
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#AEN54344"
>CONTINUE</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>continuous archiving,
    <A
HREF="backup.html"
>Backup and Restore</A
>
  </DT
><DT
>control file,
    <A
HREF="extend-extensions.html#AEN51807"
>Extension Files</A
>
  </DT
><DT
>convert,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>convert_from,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>convert_to,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>COPY,
    <A
HREF="tutorial-populate.html"
>Populating a Table With Rows</A
>,
    <A
HREF="sql-copy.html"
>COPY</A
>
  </DT
><DD
><DL
><DT
>with libpq,
    <A
HREF="libpq-copy.html"
>Functions Associated with the COPY Command</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>corr,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>correlation,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>cos,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>cot,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>count,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>covariance
  </DT
><DD
><DL
><DT
>population,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>sample,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>covar_pop,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>covar_samp,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>cpu_index_tuple_cost configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS"
>Planner Cost Constants</A
>
  </DT
><DT
>cpu_operator_cost configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS"
>Planner Cost Constants</A
>
  </DT
><DT
>cpu_tuple_cost configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS"
>Planner Cost Constants</A
>
  </DT
><DT
>CREATE AGGREGATE,
    <A
HREF="sql-createaggregate.html"
>CREATE AGGREGATE</A
>
  </DT
><DT
>CREATE CAST,
    <A
HREF="sql-createcast.html"
>CREATE CAST</A
>
  </DT
><DT
>CREATE COLLATION,
    <A
HREF="sql-createcollation.html"
>CREATE COLLATION</A
>
  </DT
><DT
>CREATE CONVERSION,
    <A
HREF="sql-createconversion.html"
>CREATE CONVERSION</A
>
  </DT
><DT
>CREATE DATABASE,
    <A
HREF="manage-ag-createdb.html"
>Creating a Database</A
>,
    <A
HREF="sql-createdatabase.html"
>CREATE DATABASE</A
>
  </DT
><DT
>CREATE DOMAIN,
    <A
HREF="sql-createdomain.html"
>CREATE DOMAIN</A
>
  </DT
><DT
>CREATE EXTENSION,
    <A
HREF="sql-createextension.html"
>CREATE EXTENSION</A
>
  </DT
><DT
>CREATE FOREIGN DATA WRAPPER,
    <A
HREF="sql-createforeigndatawrapper.html"
>CREATE FOREIGN DATA WRAPPER</A
>
  </DT
><DT
>CREATE FOREIGN TABLE,
    <A
HREF="sql-createforeigntable.html"
>CREATE FOREIGN TABLE</A
>
  </DT
><DT
>CREATE FUNCTION,
    <A
HREF="sql-createfunction.html"
>CREATE FUNCTION</A
>
  </DT
><DT
>CREATE GROUP,
    <A
HREF="sql-creategroup.html"
>CREATE GROUP</A
>
  </DT
><DT
>CREATE INDEX,
    <A
HREF="sql-createindex.html"
>CREATE INDEX</A
>
  </DT
><DT
>CREATE LANGUAGE,
    <A
HREF="sql-createlanguage.html"
>CREATE LANGUAGE</A
>
  </DT
><DT
>CREATE OPERATOR,
    <A
HREF="sql-createoperator.html"
>CREATE OPERATOR</A
>
  </DT
><DT
>CREATE OPERATOR CLASS,
    <A
HREF="sql-createopclass.html"
>CREATE OPERATOR CLASS</A
>
  </DT
><DT
>CREATE OPERATOR FAMILY,
    <A
HREF="sql-createopfamily.html"
>CREATE OPERATOR FAMILY</A
>
  </DT
><DT
>CREATE ROLE,
    <A
HREF="database-roles.html"
>Database Roles</A
>,
    <A
HREF="sql-createrole.html"
>CREATE ROLE</A
>
  </DT
><DT
>CREATE RULE,
    <A
HREF="sql-createrule.html"
>CREATE RULE</A
>
  </DT
><DT
>CREATE SCHEMA,
    <A
HREF="sql-createschema.html"
>CREATE SCHEMA</A
>
  </DT
><DT
>CREATE SEQUENCE,
    <A
HREF="sql-createsequence.html"
>CREATE SEQUENCE</A
>
  </DT
><DT
>CREATE SERVER,
    <A
HREF="sql-createserver.html"
>CREATE SERVER</A
>
  </DT
><DT
>CREATE TABLE,
    <A
HREF="tutorial-table.html"
>Creating a New Table</A
>,
    <A
HREF="sql-createtable.html"
>CREATE TABLE</A
>
  </DT
><DT
>CREATE TABLE AS,
    <A
HREF="sql-createtableas.html"
>CREATE TABLE AS</A
>
  </DT
><DT
>CREATE TABLESPACE,
    <A
HREF="manage-ag-tablespaces.html"
>Tablespaces</A
>,
    <A
HREF="sql-createtablespace.html"
>CREATE TABLESPACE</A
>
  </DT
><DT
>CREATE TEXT SEARCH CONFIGURATION,
    <A
HREF="sql-createtsconfig.html"
>CREATE TEXT SEARCH CONFIGURATION</A
>
  </DT
><DT
>CREATE TEXT SEARCH DICTIONARY,
    <A
HREF="sql-createtsdictionary.html"
>CREATE TEXT SEARCH DICTIONARY</A
>
  </DT
><DT
>CREATE TEXT SEARCH PARSER,
    <A
HREF="sql-createtsparser.html"
>CREATE TEXT SEARCH PARSER</A
>
  </DT
><DT
>CREATE TEXT SEARCH TEMPLATE,
    <A
HREF="sql-createtstemplate.html"
>CREATE TEXT SEARCH TEMPLATE</A
>
  </DT
><DT
>CREATE TRIGGER,
    <A
HREF="sql-createtrigger.html"
>CREATE TRIGGER</A
>
  </DT
><DT
>CREATE TYPE,
    <A
HREF="sql-createtype.html"
>CREATE TYPE</A
>
  </DT
><DT
>CREATE USER,
    <A
HREF="sql-createuser.html"
>CREATE USER</A
>
  </DT
><DT
>CREATE USER MAPPING,
    <A
HREF="sql-createusermapping.html"
>CREATE USER MAPPING</A
>
  </DT
><DT
>CREATE VIEW,
    <A
HREF="sql-createview.html"
>CREATE VIEW</A
>
  </DT
><DT
>createdb,
    <A
HREF="tutorial-createdb.html"
>Creating a Database</A
>,
    <A
HREF="manage-ag-createdb.html"
>Creating a Database</A
>,
    <A
HREF="app-createdb.html"
>createdb</A
>
  </DT
><DT
>createlang,
    <A
HREF="app-createlang.html"
>createlang</A
>
  </DT
><DT
>createuser,
    <A
HREF="database-roles.html"
>Database Roles</A
>,
    <A
HREF="app-createuser.html"
>createuser</A
>
  </DT
><DT
>cross compilation,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
><DT
>cross join,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DT
>cstring,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>ctid,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>,
    <A
HREF="rules-views.html#AEN52789"
>View Rules in Non-SELECT Statements</A
>
  </DT
><DT
>cube,
    <A
HREF="cube.html"
>cube</A
>
  </DT
><DT
>cume_dist,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>current_catalog,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>current_database,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>current_date,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>current_query,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>current_schema,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>current_schemas,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>current_setting,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>current_time,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>current_timestamp,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>current_user,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>currval,
    <A
HREF="functions-sequence.html"
>Sequence Manipulation Functions</A
>
  </DT
><DT
>cursor
  </DT
><DD
><DL
><DT
>CLOSE,
    <A
HREF="sql-close.html"
>CLOSE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>DECLARE,
    <A
HREF="sql-declare.html"
>DECLARE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>FETCH,
    <A
HREF="sql-fetch.html"
>FETCH</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-cursors.html"
>Cursors</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>MOVE,
    <A
HREF="sql-move.html"
>MOVE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>showing the query plan,
    <A
HREF="sql-explain.html"
>EXPLAIN</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>cursor_tuple_fraction configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER"
>Other Planner Options</A
>
  </DT
><DT
>custom_variable_classes configuration parameter,
    <A
HREF="runtime-config-custom.html"
>Customized Options</A
>
  </DT
><DT
>Cygwin
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-CYGWIN"
>Cygwin</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN140506"
>D</A
></H2
><DL
><DT
>data area
  </DT
><DD
><DL
><DT
>see database cluster</DT
></DL
></DD
><DT
>data partitioning,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>data type,
    <A
HREF="datatype.html"
>Data Types</A
>
  </DT
><DD
><DL
><DT
>base,
    <A
HREF="extend-type-system.html"
>The PostgreSQL Type System</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>category,
    <A
HREF="typeconv-overview.html"
>Overview</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>composite,
    <A
HREF="extend-type-system.html"
>The PostgreSQL Type System</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>constant,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS-GENERIC"
>Constants of Other Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>conversion,
    <A
HREF="typeconv.html"
>Type Conversion</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>enumerated (enum),
    <A
HREF="datatype-enum.html"
>Enumerated Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>internal organization,
    <A
HREF="xfunc-c.html#XFUNC-C-BASETYPE"
>Base Types in C-Language Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>numeric,
    <A
HREF="datatype-numeric.html"
>Numeric Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>type cast,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS"
>Type Casts</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>user-defined,
    <A
HREF="xtypes.html"
>User-defined Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>database,
    <A
HREF="managing-databases.html"
>Managing Databases</A
>
  </DT
><DD
><DL
><DT
>creating,
    <A
HREF="tutorial-createdb.html"
>Creating a Database</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>privilege to create,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>database activity
  </DT
><DD
><DL
><DT
>monitoring,
    <A
HREF="monitoring.html"
>Monitoring Database Activity</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>database cluster,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>,
    <A
HREF="creating-cluster.html"
>Creating a Database Cluster</A
>
  </DT
><DT
>data_directory configuration parameter,
    <A
HREF="runtime-config-file-locations.html"
>File Locations</A
>
  </DT
><DT
>date,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5507"
>Dates</A
>
  </DT
><DD
><DL
><DT
>constants,
    <A
HREF="datatype-datetime.html#AEN5750"
>Special Values</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>current,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-CURRENT"
>Current Date/Time</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>output format,
    <A
HREF="datatype-datetime.html#DATATYPE-DATETIME-OUTPUT"
>Date/Time Output</A
>
  </DT
><DD
><DL
><DT
>see also formatting</DT
></DL
></DD
></DL
></DD
><DT
>DateStyle configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>date_part,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT"
>EXTRACT, date_part</A
>
  </DT
><DT
>date_trunc,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-TRUNC"
>date_trunc</A
>
  </DT
><DT
>dblink,
    <A
HREF="dblink.html"
>dblink</A
>
  </DT
><DT
>db_user_namespace configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>deadlock,
    <A
HREF="explicit-locking.html#LOCKING-DEADLOCKS"
>Deadlocks</A
>
  </DT
><DD
><DL
><DT
>timeout during,
    <A
HREF="runtime-config-locks.html"
>Lock Management</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>deadlock_timeout configuration parameter,
    <A
HREF="runtime-config-locks.html"
>Lock Management</A
>
  </DT
><DT
>DEALLOCATE,
    <A
HREF="sql-deallocate.html"
>DEALLOCATE</A
>
  </DT
><DT
>debug_assertions configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>debug_deadlocks configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>debug_pretty_print configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>debug_print_parse configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>debug_print_plan configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>debug_print_rewritten configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>decimal
  </DT
><DD
><DL
><DT
>see numeric</DT
></DL
></DD
><DT
>DECLARE,
    <A
HREF="sql-declare.html"
>DECLARE</A
>
  </DT
><DT
>decode,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>decode_bytea
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>default value,
    <A
HREF="ddl-default.html"
>Default Values</A
>
  </DT
><DD
><DL
><DT
>changing,
    <A
HREF="ddl-alter.html#AEN2757"
>Changing a Column's Default Value</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>default_statistics_target configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER"
>Other Planner Options</A
>
  </DT
><DT
>default_tablespace configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>default_text_search_config configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>default_transaction_deferrable configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>default_transaction_isolation configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>default_transaction_read_only configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>default_with_oids configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>deferrable transaction
  </DT
><DD
><DL
><DT
>setting,
    <A
HREF="sql-set-transaction.html"
>SET TRANSACTION</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>setting default,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>degrees,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>delay,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-DELAY"
>Delaying Execution</A
>
  </DT
><DT
>DELETE,
    <A
HREF="tutorial-delete.html"
>Deletions</A
>,
    <A
HREF="dml-delete.html"
>Deleting Data</A
>,
    <A
HREF="sql-delete.html"
>DELETE</A
>
  </DT
><DT
>deleting,
    <A
HREF="dml-delete.html"
>Deleting Data</A
>
  </DT
><DT
>dense_rank,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>diameter,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>dict_int,
    <A
HREF="dict-int.html"
>dict_int</A
>
  </DT
><DT
>dict_xsyn,
    <A
HREF="dict-xsyn.html"
>dict_xsyn</A
>
  </DT
><DT
>Digital UNIX
  </DT
><DD
><DL
><DT
>see Tru64 UNIX</DT
></DL
></DD
><DT
>dirty read,
    <A
HREF="transaction-iso.html"
>Transaction Isolation</A
>
  </DT
><DT
>DISCARD,
    <A
HREF="sql-discard.html"
>DISCARD</A
>
  </DT
><DT
>disjunction,
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DT
>disk drive,
    <A
HREF="wal-internals.html"
>WAL Internals</A
>
  </DT
><DT
>disk space,
    <A
HREF="routine-vacuuming.html#VACUUM-FOR-SPACE-RECOVERY"
>Recovering Disk Space</A
>
  </DT
><DT
>disk usage,
    <A
HREF="disk-usage.html"
>Determining Disk Usage</A
>
  </DT
><DT
>DISTINCT,
    <A
HREF="tutorial-select.html"
>Querying a Table</A
>,
    <A
HREF="queries-select-lists.html#QUERIES-DISTINCT"
>DISTINCT</A
>
  </DT
><DT
>div,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>DO,
    <A
HREF="sql-do.html"
>DO</A
>
  </DT
><DT
>document
  </DT
><DD
><DL
><DT
>text search,
    <A
HREF="textsearch-intro.html#TEXTSEARCH-DOCUMENT"
>What Is a Document?</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>dollar quoting,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-DOLLAR-QUOTING"
>Dollar-quoted String Constants</A
>
  </DT
><DT
>double precision,
    <A
HREF="datatype-numeric.html#DATATYPE-FLOAT"
>Floating-Point Types</A
>
  </DT
><DT
>DROP AGGREGATE,
    <A
HREF="sql-dropaggregate.html"
>DROP AGGREGATE</A
>
  </DT
><DT
>DROP CAST,
    <A
HREF="sql-dropcast.html"
>DROP CAST</A
>
  </DT
><DT
>DROP COLLATION,
    <A
HREF="sql-dropcollation.html"
>DROP COLLATION</A
>
  </DT
><DT
>DROP CONVERSION,
    <A
HREF="sql-dropconversion.html"
>DROP CONVERSION</A
>
  </DT
><DT
>DROP DATABASE,
    <A
HREF="manage-ag-dropdb.html"
>Destroying a Database</A
>,
    <A
HREF="sql-dropdatabase.html"
>DROP DATABASE</A
>
  </DT
><DT
>DROP DOMAIN,
    <A
HREF="sql-dropdomain.html"
>DROP DOMAIN</A
>
  </DT
><DT
>DROP EXTENSION,
    <A
HREF="sql-dropextension.html"
>DROP EXTENSION</A
>
  </DT
><DT
>DROP FOREIGN DATA WRAPPER,
    <A
HREF="sql-dropforeigndatawrapper.html"
>DROP FOREIGN DATA WRAPPER</A
>
  </DT
><DT
>DROP FOREIGN TABLE,
    <A
HREF="sql-dropforeigntable.html"
>DROP FOREIGN TABLE</A
>
  </DT
><DT
>DROP FUNCTION,
    <A
HREF="sql-dropfunction.html"
>DROP FUNCTION</A
>
  </DT
><DT
>DROP GROUP,
    <A
HREF="sql-dropgroup.html"
>DROP GROUP</A
>
  </DT
><DT
>DROP INDEX,
    <A
HREF="sql-dropindex.html"
>DROP INDEX</A
>
  </DT
><DT
>DROP LANGUAGE,
    <A
HREF="sql-droplanguage.html"
>DROP LANGUAGE</A
>
  </DT
><DT
>DROP OPERATOR,
    <A
HREF="sql-dropoperator.html"
>DROP OPERATOR</A
>
  </DT
><DT
>DROP OPERATOR CLASS,
    <A
HREF="sql-dropopclass.html"
>DROP OPERATOR CLASS</A
>
  </DT
><DT
>DROP OPERATOR FAMILY,
    <A
HREF="sql-dropopfamily.html"
>DROP OPERATOR FAMILY</A
>
  </DT
><DT
>DROP OWNED,
    <A
HREF="sql-drop-owned.html"
>DROP OWNED</A
>
  </DT
><DT
>DROP ROLE,
    <A
HREF="database-roles.html"
>Database Roles</A
>,
    <A
HREF="sql-droprole.html"
>DROP ROLE</A
>
  </DT
><DT
>DROP RULE,
    <A
HREF="sql-droprule.html"
>DROP RULE</A
>
  </DT
><DT
>DROP SCHEMA,
    <A
HREF="sql-dropschema.html"
>DROP SCHEMA</A
>
  </DT
><DT
>DROP SEQUENCE,
    <A
HREF="sql-dropsequence.html"
>DROP SEQUENCE</A
>
  </DT
><DT
>DROP SERVER,
    <A
HREF="sql-dropserver.html"
>DROP SERVER</A
>
  </DT
><DT
>DROP TABLE,
    <A
HREF="tutorial-table.html"
>Creating a New Table</A
>,
    <A
HREF="sql-droptable.html"
>DROP TABLE</A
>
  </DT
><DT
>DROP TABLESPACE,
    <A
HREF="sql-droptablespace.html"
>DROP TABLESPACE</A
>
  </DT
><DT
>DROP TEXT SEARCH CONFIGURATION,
    <A
HREF="sql-droptsconfig.html"
>DROP TEXT SEARCH CONFIGURATION</A
>
  </DT
><DT
>DROP TEXT SEARCH DICTIONARY,
    <A
HREF="sql-droptsdictionary.html"
>DROP TEXT SEARCH DICTIONARY</A
>
  </DT
><DT
>DROP TEXT SEARCH PARSER,
    <A
HREF="sql-droptsparser.html"
>DROP TEXT SEARCH PARSER</A
>
  </DT
><DT
>DROP TEXT SEARCH TEMPLATE,
    <A
HREF="sql-droptstemplate.html"
>DROP TEXT SEARCH TEMPLATE</A
>
  </DT
><DT
>DROP TRIGGER,
    <A
HREF="sql-droptrigger.html"
>DROP TRIGGER</A
>
  </DT
><DT
>DROP TYPE,
    <A
HREF="sql-droptype.html"
>DROP TYPE</A
>
  </DT
><DT
>DROP USER,
    <A
HREF="sql-dropuser.html"
>DROP USER</A
>
  </DT
><DT
>DROP USER MAPPING,
    <A
HREF="sql-dropusermapping.html"
>DROP USER MAPPING</A
>
  </DT
><DT
>DROP VIEW,
    <A
HREF="sql-dropview.html"
>DROP VIEW</A
>
  </DT
><DT
>dropdb,
    <A
HREF="manage-ag-dropdb.html"
>Destroying a Database</A
>,
    <A
HREF="app-dropdb.html"
>dropdb</A
>
  </DT
><DT
>droplang,
    <A
HREF="app-droplang.html"
>droplang</A
>
  </DT
><DT
>dropuser,
    <A
HREF="database-roles.html"
>Database Roles</A
>,
    <A
HREF="app-dropuser.html"
>dropuser</A
>
  </DT
><DT
>DTD,
    <A
HREF="datatype-xml.html#AEN6930"
>Creating XML Values</A
>
  </DT
><DT
>DTrace,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>,
    <A
HREF="dynamic-trace.html"
>Dynamic Tracing</A
>
  </DT
><DT
>dummy_seclabel,
    <A
HREF="dummy-seclabel.html"
>dummy_seclabel</A
>
  </DT
><DT
>duplicate,
    <A
HREF="tutorial-select.html"
>Querying a Table</A
>
  </DT
><DT
>duplicates,
    <A
HREF="queries-select-lists.html#QUERIES-DISTINCT"
>DISTINCT</A
>
  </DT
><DT
>dynamic loading,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER"
>Other Defaults</A
>,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>dynamic_library_path,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>dynamic_library_path configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER"
>Other Defaults</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN140864"
>E</A
></H2
><DL
><DT
>earthdistance,
    <A
HREF="earthdistance.html"
>earthdistance</A
>
  </DT
><DT
>ECPG,
    <A
HREF="ecpg.html"
>ECPG - Embedded SQL in C</A
>,
    <A
HREF="app-ecpg.html"
>ecpg</A
>
  </DT
><DT
>effective_cache_size configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS"
>Planner Cost Constants</A
>
  </DT
><DT
>effective_io_concurrency configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-ASYNC-BEHAVIOR"
>Asynchronous Behavior</A
>
  </DT
><DT
>elog,
    <A
HREF="error-message-reporting.html"
>Reporting Errors Within the Server</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Python,
    <A
HREF="plpython-util.html"
>Utility Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Tcl,
    <A
HREF="pltcl-dbaccess.html"
>Database Access from PL/Tcl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>embedded SQL
  </DT
><DD
><DL
><DT
>in C,
    <A
HREF="ecpg.html"
>ECPG - Embedded SQL in C</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>enabled role,
    <A
HREF="infoschema-enabled-roles.html"
>enabled_roles</A
>
  </DT
><DT
>enable_bitmapscan configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_hashagg configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_hashjoin configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_indexscan configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_material configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_mergejoin configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_nestloop configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_seqscan configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_sort configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>enable_tidscan configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>encode,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>encode_array_constructor
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>encode_array_literal
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>encode_bytea
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>encode_typed_literal
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>encryption,
    <A
HREF="encryption-options.html"
>Encryption Options</A
>
  </DT
><DD
><DL
><DT
>for specific columns,
    <A
HREF="pgcrypto.html"
>pgcrypto</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>END,
    <A
HREF="sql-end.html"
>END</A
>
  </DT
><DT
>enumerated types,
    <A
HREF="datatype-enum.html"
>Enumerated Types</A
>
  </DT
><DT
>enum_first,
    <A
HREF="functions-enum.html"
>Enum Support Functions</A
>
  </DT
><DT
>enum_last,
    <A
HREF="functions-enum.html"
>Enum Support Functions</A
>
  </DT
><DT
>enum_range,
    <A
HREF="functions-enum.html"
>Enum Support Functions</A
>
  </DT
><DT
>environment variable,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>ereport,
    <A
HREF="error-message-reporting.html"
>Reporting Errors Within the Server</A
>
  </DT
><DT
>error codes
  </DT
><DD
><DL
><DT
>libpq,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>list of,
    <A
HREF="errcodes-appendix.html"
>PostgreSQL Error Codes</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>error message,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>escape string syntax,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-ESCAPE"
>String Constants with C-style Escapes</A
>
  </DT
><DT
>escape_string_warning configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>escaping strings
  </DT
><DD
><DL
><DT
>in libpq,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>every,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>EXCEPT,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DT
>exceptions
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#PLPGSQL-ERROR-TRAPPING"
>Trapping Errors</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>exclusion constraint,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-EXCLUSION"
>Exclusion Constraints</A
>
  </DT
><DT
>EXECUTE,
    <A
HREF="sql-execute.html"
>EXECUTE</A
>
  </DT
><DT
>EXISTS,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>
  </DT
><DT
>EXIT
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#AEN54312"
>EXIT</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>exit_on_error configuration parameter,
    <A
HREF="runtime-config-error-handling.html"
>Error Handling</A
>
  </DT
><DT
>exp,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>EXPLAIN,
    <A
HREF="using-explain.html"
>Using EXPLAIN</A
>,
    <A
HREF="sql-explain.html"
>EXPLAIN</A
>
  </DT
><DT
>expression
  </DT
><DD
><DL
><DT
>order of evaluation,
    <A
HREF="sql-expressions.html#SYNTAX-EXPRESS-EVAL"
>Expression Evaluation Rules</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>syntax,
    <A
HREF="sql-expressions.html"
>Value Expressions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>extending SQL,
    <A
HREF="extend.html"
>Extending SQL</A
>
  </DT
><DT
>extension,
    <A
HREF="extend-extensions.html"
>Packaging Related Objects into an Extension</A
>
  </DT
><DD
><DL
><DT
>externally maintained,
    <A
HREF="external-extensions.html"
>Extensions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>external_pid_file configuration parameter,
    <A
HREF="runtime-config-file-locations.html"
>File Locations</A
>
  </DT
><DT
>extract,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT"
>EXTRACT, date_part</A
>
  </DT
><DT
>extra_float_digits configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141047"
>F</A
></H2
><DL
><DT
>failover,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>false,
    <A
HREF="datatype-boolean.html"
>Boolean Type</A
>
  </DT
><DT
>family,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>fast path,
    <A
HREF="libpq-fastpath.html"
>The Fast-Path Interface</A
>
  </DT
><DT
>fdw_handler,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>FETCH,
    <A
HREF="sql-fetch.html"
>FETCH</A
>
  </DT
><DT
>field
  </DT
><DD
><DL
><DT
>computed,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-COMPOSITE-FUNCTIONS"
>SQL Functions on Composite Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>field selection,
    <A
HREF="sql-expressions.html#FIELD-SELECTION"
>Field Selection</A
>
  </DT
><DT
>file_fdw,
    <A
HREF="file-fdw.html"
>file_fdw</A
>
  </DT
><DT
>first_value,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>flex,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>float4
  </DT
><DD
><DL
><DT
>see real</DT
></DL
></DD
><DT
>float8
  </DT
><DD
><DL
><DT
>see double precision</DT
></DL
></DD
><DT
>floating point,
    <A
HREF="datatype-numeric.html#DATATYPE-FLOAT"
>Floating-Point Types</A
>
  </DT
><DT
>floating-point
  </DT
><DD
><DL
><DT
>display,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>floor,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>foreign data,
    <A
HREF="ddl-foreign-data.html"
>Foreign Data</A
>
  </DT
><DT
>foreign data wrapper
  </DT
><DD
><DL
><DT
>handler for,
    <A
HREF="fdwhandler.html"
>Writing A Foreign Data Wrapper</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>foreign key,
    <A
HREF="tutorial-fk.html"
>Foreign Keys</A
>,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-FK"
>Foreign Keys</A
>
  </DT
><DT
>foreign table,
    <A
HREF="ddl-foreign-data.html"
>Foreign Data</A
>
  </DT
><DT
>format,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>use in PL/pgSQL,
    <A
HREF="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN"
>Executing Dynamic Commands</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>formatting,
    <A
HREF="functions-formatting.html"
>Data Type Formatting Functions</A
>
  </DT
><DT
>format_type,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>Free Space Map,
    <A
HREF="storage-fsm.html"
>Free Space Map</A
>
  </DT
><DT
>FreeBSD
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>start script,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>from_collapse_limit configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER"
>Other Planner Options</A
>
  </DT
><DT
>FSM
  </DT
><DD
><DL
><DT
>see Free Space Map</DT
></DL
></DD
><DT
>fsync configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>full text search,
    <A
HREF="textsearch.html"
>Full Text Search</A
>
  </DT
><DD
><DL
><DT
>data types,
    <A
HREF="datatype-textsearch.html"
>Text Search Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>functions and operators,
    <A
HREF="datatype-textsearch.html"
>Text Search Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>full_page_writes configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>function,
    <A
HREF="functions.html"
>Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>default values for arguments,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-PARAMETER-DEFAULTS"
>SQL Functions with Default Values for Arguments</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in the FROM clause,
    <A
HREF="queries-table-expressions.html#QUERIES-TABLEFUNCTIONS"
>Table Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>internal,
    <A
HREF="xfunc-internal.html"
>Internal Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>invocation,
    <A
HREF="sql-expressions.html#AEN1902"
>Function Calls</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>mixed notation,
    <A
HREF="sql-syntax-calling-funcs.html#SQL-SYNTAX-CALLING-FUNCS-MIXED"
>Using Mixed Notation</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>named notation,
    <A
HREF="sql-syntax-calling-funcs.html#SQL-SYNTAX-CALLING-FUNCS-NAMED"
>Using Named Notation</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>named parameter,
    <A
HREF="xfunc-sql.html#XFUNC-NAMED-PARAMETERS"
>SQL Functions with Parameter Names</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>output parameter,
    <A
HREF="xfunc-sql.html#XFUNC-OUTPUT-PARAMETERS"
>SQL Functions with Output Parameters</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>polymorphic,
    <A
HREF="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC"
>Polymorphic Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>positional notation,
    <A
HREF="sql-syntax-calling-funcs.html#SQL-SYNTAX-CALLING-FUNCS-POSITIONAL"
>Using Positional Notation</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>RETURNS TABLE,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-FUNCTIONS-RETURNING-TABLE"
>SQL Functions Returning TABLE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>type resolution in an invocation,
    <A
HREF="typeconv-func.html"
>Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>user-defined,
    <A
HREF="xfunc.html"
>User-defined Functions</A
>
  </DT
><DD
><DL
><DT
>in C,
    <A
HREF="xfunc-c.html"
>C-Language Functions</A
>
  </DT
><DT
>in SQL,
    <A
HREF="xfunc-sql.html"
>Query Language (SQL) Functions</A
>
  </DT
></DL
></DD
><DT
>variadic,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-VARIADIC-FUNCTIONS"
>SQL Functions with Variable Numbers of Arguments</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>with SETOF,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-FUNCTIONS-RETURNING-SET"
>SQL Functions Returning Sets</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>functional dependency,
    <A
HREF="queries-table-expressions.html#QUERIES-GROUP"
>The GROUP BY and HAVING Clauses</A
>
  </DT
><DT
>fuzzystrmatch,
    <A
HREF="fuzzystrmatch.html"
>fuzzystrmatch</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141197"
>G</A
></H2
><DL
><DT
>generate_series,
    <A
HREF="functions-srf.html"
>Set Returning Functions</A
>
  </DT
><DT
>generate_subscripts,
    <A
HREF="functions-srf.html"
>Set Returning Functions</A
>
  </DT
><DT
>genetic query optimization,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>GEQO
  </DT
><DD
><DL
><DT
>see genetic query optimization</DT
></DL
></DD
><DT
>geqo configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>geqo_effort configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>geqo_generations configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>geqo_pool_size configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>geqo_seed configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>geqo_selection_bias configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>geqo_threshold configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Genetic Query Optimizer</A
>
  </DT
><DT
>get_bit,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>get_byte,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>get_current_ts_config,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>
  </DT
><DT
>GIN
  </DT
><DD
><DL
><DT
>see index</DT
></DL
></DD
><DT
>gin_fuzzy_search_limit configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER"
>Other Defaults</A
>
  </DT
><DT
>GiST
  </DT
><DD
><DL
><DT
>see index</DT
></DL
></DD
><DT
>global data
  </DT
><DD
><DL
><DT
>in PL/Python,
    <A
HREF="plpython-sharing.html"
>Sharing Data</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Tcl,
    <A
HREF="pltcl-global.html"
>Global Data in PL/Tcl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>GRANT,
    <A
HREF="ddl-priv.html"
>Privileges</A
>,
    <A
HREF="sql-grant.html"
>GRANT</A
>
  </DT
><DT
>GREATEST,
    <A
HREF="functions-conditional.html#FUNCTIONS-GREATEST-LEAST"
>GREATEST and LEAST</A
>
  </DT
><DD
><DL
><DT
>determination of result type,
    <A
HREF="typeconv-union-case.html"
>UNION, CASE, and Related Constructs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>GROUP BY,
    <A
HREF="tutorial-agg.html"
>Aggregate Functions</A
>,
    <A
HREF="queries-table-expressions.html#QUERIES-GROUP"
>The GROUP BY and HAVING Clauses</A
>
  </DT
><DT
>grouping,
    <A
HREF="queries-table-expressions.html#QUERIES-GROUP"
>The GROUP BY and HAVING Clauses</A
>
  </DT
><DT
>GSSAPI,
    <A
HREF="auth-methods.html#GSSAPI-AUTH"
>GSSAPI Authentication</A
>
  </DT
><DT
>GUID,
    <A
HREF="datatype-uuid.html"
>UUID Type</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141278"
>H</A
></H2
><DL
><DT
>hash
  </DT
><DD
><DL
><DT
>see index</DT
></DL
></DD
><DT
>has_any_column_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_column_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_database_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_foreign_data_wrapper_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_function_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_language_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_schema_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_sequence_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_server_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_tablespace_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>has_table_privilege,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>HAVING,
    <A
HREF="tutorial-agg.html"
>Aggregate Functions</A
>,
    <A
HREF="queries-table-expressions.html#QUERIES-GROUP"
>The GROUP BY and HAVING Clauses</A
>
  </DT
><DT
>hba_file configuration parameter,
    <A
HREF="runtime-config-file-locations.html"
>File Locations</A
>
  </DT
><DT
>height,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>hierarchical database,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>
  </DT
><DT
>high availability,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>history
  </DT
><DD
><DL
><DT
>of PostgreSQL,
    <A
HREF="history.html"
>A Brief History of PostgreSQL</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>host,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>host name,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>hostmask,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>Hot Standby,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>hot_standby configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY"
>Standby Servers</A
>
  </DT
><DT
>hot_standby_feedback configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY"
>Standby Servers</A
>
  </DT
><DT
>HP-UX
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-HPUX"
>HP-UX</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>hstore,
    <A
HREF="hstore.html"
>hstore</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141365"
>I</A
></H2
><DL
><DT
>ident,
    <A
HREF="auth-methods.html#AUTH-IDENT"
>Ident Authentication</A
>
  </DT
><DT
>identifier
  </DT
><DD
><DL
><DT
>length,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>syntax of,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ident_file configuration parameter,
    <A
HREF="runtime-config-file-locations.html"
>File Locations</A
>
  </DT
><DT
>IFNULL,
    <A
HREF="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL"
>COALESCE</A
>
  </DT
><DT
>ignore_system_indexes configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>IMMUTABLE,
    <A
HREF="xfunc-volatility.html"
>Function Volatility Categories</A
>
  </DT
><DT
>IN,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>include
  </DT
><DD
><DL
><DT
>in configuration file,
    <A
HREF="config-setting.html"
>Setting Parameters</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>index,
    <A
HREF="indexes.html"
>Indexes</A
>
  </DT
><DD
><DL
><DT
>and ORDER BY,
    <A
HREF="indexes-ordering.html"
>Indexes and ORDER BY</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>B-tree,
    <A
HREF="indexes-types.html"
>Index Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>building concurrently,
    <A
HREF="sql-createindex.html#SQL-CREATEINDEX-CONCURRENTLY"
>Building Indexes Concurrently</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>combining multiple indexes,
    <A
HREF="indexes-bitmap-scans.html"
>Combining Multiple Indexes</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>examining usage,
    <A
HREF="indexes-examine.html"
>Examining Index Usage</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>on expressions,
    <A
HREF="indexes-expressional.html"
>Indexes on Expressions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for user-defined data type,
    <A
HREF="xindex.html"
>Interfacing Extensions To Indexes</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>GIN,
    <A
HREF="indexes-types.html"
>Index Types</A
>,
    <A
HREF="gin.html"
>GIN Indexes</A
>
  </DT
><DD
><DL
><DT
>text search,
    <A
HREF="textsearch-indexes.html"
>GiST and GIN Index Types</A
>
  </DT
></DL
></DD
><DT
>GiST,
    <A
HREF="indexes-types.html"
>Index Types</A
>,
    <A
HREF="gist.html"
>GiST Indexes</A
>
  </DT
><DD
><DL
><DT
>text search,
    <A
HREF="textsearch-indexes.html"
>GiST and GIN Index Types</A
>
  </DT
></DL
></DD
><DT
>hash,
    <A
HREF="indexes-types.html"
>Index Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>locks,
    <A
HREF="locking-indexes.html"
>Locking and Indexes</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>multicolumn,
    <A
HREF="indexes-multicolumn.html"
>Multicolumn Indexes</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>partial,
    <A
HREF="indexes-partial.html"
>Partial Indexes</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>unique,
    <A
HREF="indexes-unique.html"
>Unique Indexes</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>index scan,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>inet (data type),
    <A
HREF="datatype-net-types.html#DATATYPE-INET"
>inet</A
>
  </DT
><DT
>inet_client_addr,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>inet_client_port,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>inet_server_addr,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>inet_server_port,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>information schema,
    <A
HREF="information-schema.html"
>The Information Schema</A
>
  </DT
><DT
>inheritance,
    <A
HREF="tutorial-inheritance.html"
>Inheritance</A
>,
    <A
HREF="ddl-inherit.html"
>Inheritance</A
>,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>initcap,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>initdb,
    <A
HREF="creating-cluster.html"
>Creating a Database Cluster</A
>,
    <A
HREF="app-initdb.html"
>initdb</A
>
  </DT
><DT
>Initialization Fork,
    <A
HREF="storage-init.html"
>The Initialization Fork</A
>
  </DT
><DT
>input function,
    <A
HREF="xtypes.html"
>User-defined Types</A
>
  </DT
><DT
>INSERT,
    <A
HREF="tutorial-populate.html"
>Populating a Table With Rows</A
>,
    <A
HREF="dml-insert.html"
>Inserting Data</A
>,
    <A
HREF="sql-insert.html"
>INSERT</A
>
  </DT
><DT
>inserting,
    <A
HREF="dml-insert.html"
>Inserting Data</A
>
  </DT
><DT
>installation,
    <A
HREF="installation.html"
>  Installation from Source Code</A
>
  </DT
><DD
><DL
><DT
>on Windows,
    <A
HREF="install-windows.html"
>Installation from Source Code on Windows</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>instr,
    <A
HREF="plpgsql-porting.html#AEN55386"
>Porting Examples</A
>
  </DT
><DT
>int2
  </DT
><DD
><DL
><DT
>see smallint</DT
></DL
></DD
><DT
>int4
  </DT
><DD
><DL
><DT
>see integer</DT
></DL
></DD
><DT
>int8
  </DT
><DD
><DL
><DT
>see bigint</DT
></DL
></DD
><DT
>intagg,
    <A
HREF="intagg.html"
>intagg</A
>
  </DT
><DT
>intarray,
    <A
HREF="intarray.html"
>intarray</A
>
  </DT
><DT
>integer,
    <A
HREF="sql-syntax-lexical.html#AEN1452"
>Numeric Constants</A
>,
    <A
HREF="datatype-numeric.html#DATATYPE-INT"
>Integer Types</A
>
  </DT
><DT
>integer_datetimes configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>interfaces
  </DT
><DD
><DL
><DT
>externally maintained,
    <A
HREF="external-interfaces.html"
>Client Interfaces</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>internal,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>INTERSECT,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DT
>interval,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#DATATYPE-INTERVAL-INPUT"
>Interval Input</A
>
  </DT
><DD
><DL
><DT
>output format,
    <A
HREF="datatype-datetime.html#DATATYPE-INTERVAL-OUTPUT"
>Interval Output</A
>
  </DT
><DD
><DL
><DT
>see also formatting</DT
></DL
></DD
></DL
></DD
><DT
>IntervalStyle configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>IRIX
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-IRIX"
>IRIX</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>IS DISTINCT FROM,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>IS DOCUMENT,
    <A
HREF="functions-xml.html#AEN15656"
>IS DOCUMENT</A
>
  </DT
><DT
>IS FALSE,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>IS NOT DISTINCT FROM,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>IS NOT FALSE,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>IS NOT NULL,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>IS NOT TRUE,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>IS NOT UNKNOWN,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>IS NULL,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-CLIENTS"
>Platform and Client Compatibility</A
>
  </DT
><DT
>IS TRUE,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>IS UNKNOWN,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>isclosed,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>isfinite,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>isn,
    <A
HREF="isn.html"
>isn</A
>
  </DT
><DT
>ISNULL,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>isopen,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>is_array_ref
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141591"
>J</A
></H2
><DL
><DT
>join,
    <A
HREF="tutorial-join.html"
>Joins Between Tables</A
>,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DD
><DL
><DT
>controlling the order,
    <A
HREF="explicit-joins.html"
>Controlling the Planner with Explicit JOIN Clauses</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>cross,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>left,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>natural,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>outer,
    <A
HREF="tutorial-join.html"
>Joins Between Tables</A
>,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>right,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>self,
    <A
HREF="tutorial-join.html"
>Joins Between Tables</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>join_collapse_limit configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-OTHER"
>Other Planner Options</A
>
  </DT
><DT
>justify_days,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>justify_hours,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>justify_interval,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141624"
>K</A
></H2
><DL
><DT
>Kerberos,
    <A
HREF="auth-methods.html#KERBEROS-AUTH"
>Kerberos Authentication</A
>
  </DT
><DT
>key word
  </DT
><DD
><DL
><DT
>list of,
    <A
HREF="sql-keywords-appendix.html"
>SQL Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>syntax of,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>krb_caseins_users configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>krb_server_keyfile configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>krb_srvname configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141644"
>L</A
></H2
><DL
><DT
>label
  </DT
><DD
><DL
><DT
>see alias</DT
></DL
></DD
><DT
>lag,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>language_handler,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>large object,
    <A
HREF="largeobjects.html"
>Large Objects</A
>
  </DT
><DT
>lastval,
    <A
HREF="functions-sequence.html"
>Sequence Manipulation Functions</A
>
  </DT
><DT
>last_value,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>lc_collate configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>lc_ctype configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>lc_messages configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>lc_monetary configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>lc_numeric configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>lc_time configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>LDAP,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>,
    <A
HREF="auth-methods.html#AUTH-LDAP"
>LDAP Authentication</A
>
  </DT
><DT
>LDAP connection parameter lookup,
    <A
HREF="libpq-ldap.html"
>LDAP Lookup of Connection Parameters</A
>
  </DT
><DT
>ldconfig,
    <A
HREF="install-post.html#AEN24134"
>Shared Libraries</A
>
  </DT
><DT
>lead,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>LEAST,
    <A
HREF="functions-conditional.html#FUNCTIONS-GREATEST-LEAST"
>GREATEST and LEAST</A
>
  </DT
><DD
><DL
><DT
>determination of result type,
    <A
HREF="typeconv-union-case.html"
>UNION, CASE, and Related Constructs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>left,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>left join,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DT
>length,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>of a binary string
  </DT
><DD
><DL
><DT
>see binary strings, length</DT
></DL
></DD
><DT
>of a character string
  </DT
><DD
><DL
><DT
>see character string, length</DT
></DL
></DD
></DL
></DD
><DT
>length(tsvector),
    <A
HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR"
>Manipulating Documents</A
>
  </DT
><DT
>lex,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>libedit,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>libperl,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>libpq,
    <A
HREF="libpq.html"
>libpq - C Library</A
>
  </DT
><DT
>libpq-fe.h,
    <A
HREF="libpq.html"
>libpq - C Library</A
>,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>libpq-int.h,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>libpython,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>library finalization function,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>library initialization function,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>LIKE,
    <A
HREF="functions-matching.html#FUNCTIONS-LIKE"
>LIKE</A
>
  </DT
><DD
><DL
><DT
>and locales,
    <A
HREF="locale.html#AEN31443"
>Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>LIMIT,
    <A
HREF="queries-limit.html"
>LIMIT and OFFSET</A
>
  </DT
><DT
>line segment,
    <A
HREF="datatype-geometric.html#AEN6446"
>Line Segments</A
>
  </DT
><DT
>linear regression,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>Linux
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>start script,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>LISTEN,
    <A
HREF="sql-listen.html"
>LISTEN</A
>
  </DT
><DT
>listen_addresses configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>ln,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>lo,
    <A
HREF="lo.html"
>lo</A
>
  </DT
><DT
>LOAD,
    <A
HREF="sql-load.html"
>LOAD</A
>
  </DT
><DT
>load balancing,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>locale,
    <A
HREF="creating-cluster.html"
>Creating a Database Cluster</A
>,
    <A
HREF="locale.html"
>Locale Support</A
>
  </DT
><DT
>localtime,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>localtimestamp,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>local_preload_libraries configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-OTHER"
>Other Defaults</A
>
  </DT
><DT
>lock,
    <A
HREF="explicit-locking.html"
>Explicit Locking</A
>,
    <A
HREF="explicit-locking.html#LOCKING-TABLES"
>Table-level Locks</A
>,
    <A
HREF="sql-lock.html"
>LOCK</A
>
  </DT
><DD
><DL
><DT
>advisory,
    <A
HREF="explicit-locking.html#ADVISORY-LOCKS"
>Advisory Locks</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>monitoring,
    <A
HREF="monitoring-locks.html"
>Viewing Locks</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>log,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>log shipping,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>logging_collector configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>login privilege,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>
  </DT
><DT
>log_autovacuum_min_duration configuration parameter,
    <A
HREF="runtime-config-autovacuum.html"
>Automatic Vacuuming</A
>
  </DT
><DT
>log_btree_build_stats configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>log_checkpoints configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_connections configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_destination configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>log_directory configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>log_disconnections configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_duration configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_error_verbosity configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_executor_stats configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR"
>Statistics Monitoring</A
>
  </DT
><DT
>log_filename configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>log_file_mode configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>log_hostname configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_line_prefix configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_lock_waits configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_min_duration_statement configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN"
>When To Log</A
>
  </DT
><DT
>log_min_error_statement configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN"
>When To Log</A
>
  </DT
><DT
>log_min_messages configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHEN"
>When To Log</A
>
  </DT
><DT
>log_parser_stats configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR"
>Statistics Monitoring</A
>
  </DT
><DT
>log_planner_stats configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR"
>Statistics Monitoring</A
>
  </DT
><DT
>log_rotation_age configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>log_rotation_size configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>log_statement configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_statement_stats configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-MONITOR"
>Statistics Monitoring</A
>
  </DT
><DT
>log_temp_files configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_timezone configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHAT"
>What To Log</A
>
  </DT
><DT
>log_truncate_on_rotation configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>looks_like_number
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>loop
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS"
>Simple Loops</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>lower,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>and locales,
    <A
HREF="locale.html#AEN31443"
>Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>lo_close,
    <A
HREF="lo-interfaces.html#LO-CLOSE"
>Closing a Large Object Descriptor</A
>
  </DT
><DT
>lo_compat_privileges configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>lo_creat,
    <A
HREF="lo-interfaces.html#LO-CREATE"
>Creating a Large Object</A
>,
    <A
HREF="lo-funcs.html"
>Server-side Functions</A
>
  </DT
><DT
>lo_create,
    <A
HREF="lo-interfaces.html#LO-CREATE"
>Creating a Large Object</A
>,
    <A
HREF="lo-funcs.html"
>Server-side Functions</A
>
  </DT
><DT
>lo_export,
    <A
HREF="lo-interfaces.html#LO-EXPORT"
>Exporting a Large Object</A
>,
    <A
HREF="lo-funcs.html"
>Server-side Functions</A
>
  </DT
><DT
>lo_import,
    <A
HREF="lo-interfaces.html#LO-IMPORT"
>Importing a Large Object</A
>,
    <A
HREF="lo-funcs.html"
>Server-side Functions</A
>
  </DT
><DT
>lo_import_with_oid,
    <A
HREF="lo-interfaces.html#LO-IMPORT"
>Importing a Large Object</A
>
  </DT
><DT
>lo_lseek,
    <A
HREF="lo-interfaces.html#LO-SEEK"
>Seeking in a Large Object</A
>
  </DT
><DT
>lo_open,
    <A
HREF="lo-interfaces.html#LO-OPEN"
>Opening an Existing Large Object</A
>
  </DT
><DT
>lo_read,
    <A
HREF="lo-interfaces.html#LO-READ"
>Reading Data from a Large Object</A
>
  </DT
><DT
>lo_tell,
    <A
HREF="lo-interfaces.html#LO-TELL"
>Obtaining the Seek Position of a Large Object</A
>
  </DT
><DT
>lo_truncate,
    <A
HREF="lo-interfaces.html#LO-TRUNCATE"
>Truncating a Large Object</A
>
  </DT
><DT
>lo_unlink,
    <A
HREF="lo-interfaces.html#LO-UNLINK"
>Removing a Large Object</A
>,
    <A
HREF="lo-funcs.html"
>Server-side Functions</A
>
  </DT
><DT
>lo_write,
    <A
HREF="lo-interfaces.html#LO-WRITE"
>Writing Data to a Large Object</A
>
  </DT
><DT
>lpad,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>lseg,
    <A
HREF="datatype-geometric.html#AEN6446"
>Line Segments</A
>,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>ltree,
    <A
HREF="ltree.html"
>ltree</A
>
  </DT
><DT
>ltrim,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN141975"
>M</A
></H2
><DL
><DT
>MAC address
  </DT
><DD
><DL
><DT
>see macaddr</DT
></DL
></DD
><DT
>Mac OS X
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>macaddr (data type),
    <A
HREF="datatype-net-types.html#DATATYPE-MACADDR"
>macaddr</A
>
  </DT
><DT
>magic block,
    <A
HREF="xfunc-c.html#XFUNC-C-DYNLOAD"
>Dynamic Loading</A
>
  </DT
><DT
>maintenance,
    <A
HREF="maintenance.html"
>Routine Database Maintenance Tasks</A
>
  </DT
><DT
>maintenance_work_mem configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY"
>Memory</A
>
  </DT
><DT
>make,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>MANPATH,
    <A
HREF="install-post.html#AEN24191"
>Environment Variables</A
>
  </DT
><DT
>masklen,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>max,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>max_connections configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>max_files_per_process configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-KERNEL"
>Kernel Resource Usage</A
>
  </DT
><DT
>max_function_args configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>max_identifier_length configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>max_index_keys configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>max_locks_per_transaction configuration parameter,
    <A
HREF="runtime-config-locks.html"
>Lock Management</A
>
  </DT
><DT
>max_pred_locks_per_transaction configuration parameter,
    <A
HREF="runtime-config-locks.html"
>Lock Management</A
>
  </DT
><DT
>max_prepared_transactions configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY"
>Memory</A
>
  </DT
><DT
>max_stack_depth configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY"
>Memory</A
>
  </DT
><DT
>max_standby_archive_delay configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY"
>Standby Servers</A
>
  </DT
><DT
>max_standby_streaming_delay configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY"
>Standby Servers</A
>
  </DT
><DT
>max_wal_senders configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-MASTER"
>Master Server</A
>
  </DT
><DT
>md5,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>,
    <A
HREF="auth-methods.html#AUTH-PASSWORD"
>Password Authentication</A
>
  </DT
><DT
>memory context
  </DT
><DD
><DL
><DT
>in SPI,
    <A
HREF="spi-memory.html"
>Memory Management</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>min,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>MinGW
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-MINGW"
>MinGW/Native Windows</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>mod,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>monitoring
  </DT
><DD
><DL
><DT
>database activity,
    <A
HREF="monitoring.html"
>Monitoring Database Activity</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>MOVE,
    <A
HREF="sql-move.html"
>MOVE</A
>
  </DT
><DT
>Multiversion Concurrency Control,
    <A
HREF="mvcc-intro.html"
>Introduction</A
>
  </DT
><DT
>MVCC,
    <A
HREF="mvcc-intro.html"
>Introduction</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN142078"
>N</A
></H2
><DL
><DT
>name
  </DT
><DD
><DL
><DT
>qualified,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-CREATE"
>Creating a Schema</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>syntax of,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>unqualified,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PATH"
>The Schema Search Path</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>NaN
  </DT
><DD
><DL
><DT
>see not a number</DT
></DL
></DD
><DT
>natural join,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DT
>negation,
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DT
>NetBSD
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>start script,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>netmask,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>network,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>data types,
    <A
HREF="datatype-net-types.html"
>Network Address Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>Network Attached Storage (NAS)
  </DT
><DD
><DL
><DT
>see Network File Systems</DT
></DL
></DD
><DT
>Network File Systems,
    <A
HREF="creating-cluster.html#CREATING-CLUSTER-NFS"
>Network File Systems</A
>
  </DT
><DT
>nextval,
    <A
HREF="functions-sequence.html"
>Sequence Manipulation Functions</A
>
  </DT
><DT
>NFS
  </DT
><DD
><DL
><DT
>see Network File Systems</DT
></DL
></DD
><DT
>non-durable,
    <A
HREF="non-durability.html"
>Non-Durable Settings</A
>
  </DT
><DT
>nonblocking connection,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>nonrepeatable read,
    <A
HREF="transaction-iso.html"
>Transaction Isolation</A
>
  </DT
><DT
>NOT (operator),
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DT
>not a number
  </DT
><DD
><DL
><DT
>double precision,
    <A
HREF="datatype-numeric.html#DATATYPE-FLOAT"
>Floating-Point Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>numeric (data type),
    <A
HREF="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL"
>Arbitrary Precision Numbers</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>NOT IN,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>not-null constraint,
    <A
HREF="ddl-constraints.html#AEN2444"
>Not-Null Constraints</A
>
  </DT
><DT
>notation
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="sql-syntax-calling-funcs.html"
>Calling Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>notice processing
  </DT
><DD
><DL
><DT
>in libpq,
    <A
HREF="libpq-notice-processing.html"
>Notice Processing</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>notice processor,
    <A
HREF="libpq-notice-processing.html"
>Notice Processing</A
>
  </DT
><DT
>notice receiver,
    <A
HREF="libpq-notice-processing.html"
>Notice Processing</A
>
  </DT
><DT
>NOTIFY,
    <A
HREF="sql-notify.html"
>NOTIFY</A
>
  </DT
><DD
><DL
><DT
>in libpq,
    <A
HREF="libpq-notify.html"
>Asynchronous Notification</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>NOTNULL,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DT
>now,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>npoints,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>nth_value,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>ntile,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>null value
  </DT
><DD
><DL
><DT
>with check constraints,
    <A
HREF="ddl-constraints.html#AEN2410"
>Check Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>comparing,
    <A
HREF="functions-comparison.html"
>Comparison Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>default value,
    <A
HREF="ddl-default.html"
>Default Values</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in DISTINCT,
    <A
HREF="queries-select-lists.html#QUERIES-DISTINCT"
>DISTINCT</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in libpq,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Perl,
    <A
HREF="plperl-funcs.html"
>PL/Perl Functions and Arguments</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Python,
    <A
HREF="plpython-data.html#AEN56723"
>Null, None</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>with unique constraints,
    <A
HREF="ddl-constraints.html#AEN2470"
>Unique Constraints</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>NULLIF,
    <A
HREF="functions-conditional.html#FUNCTIONS-NULLIF"
>NULLIF</A
>
  </DT
><DT
>number
  </DT
><DD
><DL
><DT
>constant,
    <A
HREF="sql-syntax-lexical.html#AEN1452"
>Numeric Constants</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>numeric,
    <A
HREF="sql-syntax-lexical.html#AEN1452"
>Numeric Constants</A
>
  </DT
><DT
>numeric (data type),
    <A
HREF="datatype-numeric.html#DATATYPE-NUMERIC-DECIMAL"
>Arbitrary Precision Numbers</A
>
  </DT
><DT
>numnode,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSQUERY"
>Manipulating Queries</A
>
  </DT
><DT
>NVL,
    <A
HREF="functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL"
>COALESCE</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN142223"
>O</A
></H2
><DL
><DT
>object identifier
  </DT
><DD
><DL
><DT
>data type,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>object-oriented database,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>
  </DT
><DT
>obj_description,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>octet_length,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>OFFSET,
    <A
HREF="queries-limit.html"
>LIMIT and OFFSET</A
>
  </DT
><DT
>oid,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DD
><DL
><DT
>column,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in libpq,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-NONSELECT"
>Retrieving Other Result Information</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>oid2name,
    <A
HREF="oid2name.html"
>oid2name</A
>
  </DT
><DT
>ONLY,
    <A
HREF="queries-table-expressions.html#QUERIES-FROM"
>The FROM Clause</A
>
  </DT
><DT
>opaque,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>OpenBSD
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>start script,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>OpenSSL,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
><DD
><DL
><DT
>see also SSL</DT
></DL
></DD
><DT
>operator,
    <A
HREF="functions.html"
>Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>invocation,
    <A
HREF="sql-expressions.html#AEN1873"
>Operator Invocations</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>logical,
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>precedence,
    <A
HREF="sql-syntax-lexical.html#SQL-PRECEDENCE"
>Operator Precedence</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>syntax,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-OPERATORS"
>Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>type resolution in an invocation,
    <A
HREF="typeconv-oper.html"
>Operators</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>user-defined,
    <A
HREF="xoper.html"
>User-defined Operators</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>operator class,
    <A
HREF="indexes-opclass.html"
>Operator Classes and Operator Families</A
>,
    <A
HREF="xindex.html#XINDEX-OPCLASS"
>Index Methods and Operator Classes</A
>
  </DT
><DT
>operator family,
    <A
HREF="indexes-opclass.html"
>Operator Classes and Operator Families</A
>,
    <A
HREF="xindex.html#XINDEX-OPFAMILY"
>Operator Classes and Operator Families</A
>
  </DT
><DT
>OR (operator),
    <A
HREF="functions-logical.html"
>Logical Operators</A
>
  </DT
><DT
>Oracle
  </DT
><DD
><DL
><DT
>porting from PL/SQL to PL/pgSQL,
    <A
HREF="plpgsql-porting.html"
>Porting from Oracle PL/SQL</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ORDER BY,
    <A
HREF="tutorial-select.html"
>Querying a Table</A
>,
    <A
HREF="queries-order.html"
>Sorting Rows</A
>
  </DT
><DD
><DL
><DT
>and locales,
    <A
HREF="locale.html#AEN31443"
>Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ordering operator,
    <A
HREF="xindex.html#XINDEX-OPCLASS-DEPENDENCIES"
>System Dependencies on Operator Classes</A
>
  </DT
><DT
>outer join,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DT
>output function,
    <A
HREF="xtypes.html"
>User-defined Types</A
>
  </DT
><DT
>OVER clause,
    <A
HREF="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS"
>Window Function Calls</A
>
  </DT
><DT
>overlay,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>overloading
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="xfunc-overload.html"
>Function Overloading</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>operators,
    <A
HREF="xoper.html"
>User-defined Operators</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>owner,
    <A
HREF="ddl-priv.html"
>Privileges</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN142331"
>P</A
></H2
><DL
><DT
>pageinspect,
    <A
HREF="pageinspect.html"
>pageinspect</A
>
  </DT
><DT
>palloc,
    <A
HREF="xfunc-c.html#AEN50557"
>Writing Code</A
>
  </DT
><DT
>PAM,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>,
    <A
HREF="auth-methods.html#AUTH-PAM"
>PAM Authentication</A
>
  </DT
><DT
>parameter
  </DT
><DD
><DL
><DT
>syntax,
    <A
HREF="sql-expressions.html#AEN1822"
>Positional Parameters</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>parenthesis,
    <A
HREF="sql-expressions.html"
>Value Expressions</A
>
  </DT
><DT
>partitioning,
    <A
HREF="ddl-partitioning.html"
>Partitioning</A
>
  </DT
><DT
>password,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>
  </DT
><DD
><DL
><DT
>authentication,
    <A
HREF="auth-methods.html#AUTH-PASSWORD"
>Password Authentication</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>of the superuser,
    <A
HREF="creating-cluster.html"
>Creating a Database Cluster</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>password file,
    <A
HREF="libpq-pgpass.html"
>The Password File</A
>
  </DT
><DT
>passwordcheck,
    <A
HREF="passwordcheck.html"
>passwordcheck</A
>
  </DT
><DT
>password_encryption configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>path,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>,
    <A
HREF="install-post.html#AEN24191"
>Environment Variables</A
>
  </DT
><DD
><DL
><DT
>for schemas,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>path (data type),
    <A
HREF="datatype-geometric.html#AEN6508"
>Paths</A
>
  </DT
><DT
>pattern matching,
    <A
HREF="functions-matching.html"
>Pattern Matching</A
>
  </DT
><DT
>patterns
  </DT
><DD
><DL
><DT
>in psql and pg_dump,
    <A
HREF="app-psql.html#APP-PSQL-PATTERNS"
>Patterns</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>pause_at_recovery_target recovery parameter,
    <A
HREF="recovery-target-settings.html"
>Recovery Target Settings</A
>
  </DT
><DT
>pclose,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>peer,
    <A
HREF="auth-methods.html#AUTH-PEER"
>Peer Authentication</A
>
  </DT
><DT
>percent_rank,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>performance,
    <A
HREF="performance-tips.html"
>Performance Tips</A
>
  </DT
><DT
>perl,
    <A
HREF="install-requirements.html"
>Requirements</A
>,
    <A
HREF="plperl.html"
>PL/Perl - Perl Procedural Language</A
>
  </DT
><DT
>permission
  </DT
><DD
><DL
><DT
>see privilege</DT
></DL
></DD
><DT
>pfree,
    <A
HREF="xfunc-c.html#AEN50557"
>Writing Code</A
>
  </DT
><DT
>PGAPPNAME,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>pgbench,
    <A
HREF="pgbench.html"
>pgbench</A
>
  </DT
><DT
>PGcancel,
    <A
HREF="libpq-cancel.html"
>Canceling Queries in Progress</A
>
  </DT
><DT
>PGCLIENTENCODING,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGconn,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PGCONNECT_TIMEOUT,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>pgcrypto,
    <A
HREF="pgcrypto.html"
>pgcrypto</A
>
  </DT
><DT
>PGDATA,
    <A
HREF="creating-cluster.html"
>Creating a Database Cluster</A
>
  </DT
><DT
>PGDATABASE,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGDATESTYLE,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGEventProc,
    <A
HREF="libpq-events.html#LIBPQ-EVENTS-PROC"
>Event Callback Procedure</A
>
  </DT
><DT
>PGGEQO,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGGSSLIB,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGHOST,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGHOSTADDR,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGKRBSRVNAME,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGLOCALEDIR,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGOPTIONS,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGPASSFILE,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGPASSWORD,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGPORT,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGREALM,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGREQUIREPEER,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGREQUIRESSL,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGresult,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>pgrowlocks,
    <A
HREF="pgrowlocks.html"
>pgrowlocks</A
>
  </DT
><DT
>PGSERVICE,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGSERVICEFILE,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGSSLCERT,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGSSLCRL,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGSSLKEY,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGSSLMODE,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGSSLROOTCERT,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>pgstattuple,
    <A
HREF="pgstattuple.html"
>pgstattuple</A
>
  </DT
><DT
>PGSYSCONFDIR,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGTZ,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>PGUSER,
    <A
HREF="libpq-envars.html"
>Environment Variables</A
>
  </DT
><DT
>pgxs,
    <A
HREF="extend-pgxs.html"
>Extension Building Infrastructure</A
>
  </DT
><DT
>pg_advisory_lock,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_advisory_lock_shared,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_advisory_unlock,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_advisory_unlock_all,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_advisory_unlock_shared,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_advisory_xact_lock,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_advisory_xact_lock_shared,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_aggregate,
    <A
HREF="catalog-pg-aggregate.html"
>pg_aggregate</A
>
  </DT
><DT
>pg_am,
    <A
HREF="catalog-pg-am.html"
>pg_am</A
>
  </DT
><DT
>pg_amop,
    <A
HREF="catalog-pg-amop.html"
>pg_amop</A
>
  </DT
><DT
>pg_amproc,
    <A
HREF="catalog-pg-amproc.html"
>pg_amproc</A
>
  </DT
><DT
>pg_archivecleanup,
    <A
HREF="pgarchivecleanup.html"
>pg_archivecleanup</A
>
  </DT
><DT
>pg_attrdef,
    <A
HREF="catalog-pg-attrdef.html"
>pg_attrdef</A
>
  </DT
><DT
>pg_attribute,
    <A
HREF="catalog-pg-attribute.html"
>pg_attribute</A
>
  </DT
><DT
>pg_authid,
    <A
HREF="catalog-pg-authid.html"
>pg_authid</A
>
  </DT
><DT
>pg_auth_members,
    <A
HREF="catalog-pg-auth-members.html"
>pg_auth_members</A
>
  </DT
><DT
>pg_available_extensions,
    <A
HREF="view-pg-available-extensions.html"
>pg_available_extensions</A
>
  </DT
><DT
>pg_available_extension_versions,
    <A
HREF="view-pg-available-extension-versions.html"
>pg_available_extension_versions</A
>
  </DT
><DT
>pg_backend_pid,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_basebackup,
    <A
HREF="app-pgbasebackup.html"
>pg_basebackup</A
>
  </DT
><DT
>pg_buffercache,
    <A
HREF="pgbuffercache.html"
>pg_buffercache</A
>
  </DT
><DT
>pg_cancel_backend,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_cast,
    <A
HREF="catalog-pg-cast.html"
>pg_cast</A
>
  </DT
><DT
>pg_class,
    <A
HREF="catalog-pg-class.html"
>pg_class</A
>
  </DT
><DT
>pg_client_encoding,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>pg_collation,
    <A
HREF="catalog-pg-collation.html"
>pg_collation</A
>
  </DT
><DT
>pg_collation_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_column_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_config,
    <A
HREF="app-pgconfig.html"
>pg_config</A
>
  </DT
><DD
><DL
><DT
>with libpq,
    <A
HREF="libpq-build.html"
>Building libpq Programs</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>with user-defined C functions,
    <A
HREF="xfunc-c.html#AEN50557"
>Writing Code</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>pg_conf_load_time,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_constraint,
    <A
HREF="catalog-pg-constraint.html"
>pg_constraint</A
>
  </DT
><DT
>pg_controldata,
    <A
HREF="app-pgcontroldata.html"
>pg_controldata</A
>
  </DT
><DT
>pg_conversion,
    <A
HREF="catalog-pg-conversion.html"
>pg_conversion</A
>
  </DT
><DT
>pg_conversion_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_create_restore_point,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_ctl,
    <A
HREF="creating-cluster.html"
>Creating a Database Cluster</A
>,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>,
    <A
HREF="app-pg-ctl.html"
>pg_ctl</A
>
  </DT
><DT
>pg_current_xlog_insert_location,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_current_xlog_location,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_cursors,
    <A
HREF="view-pg-cursors.html"
>pg_cursors</A
>
  </DT
><DT
>pg_database,
    <A
HREF="manage-ag-templatedbs.html"
>Template Databases</A
>,
    <A
HREF="catalog-pg-database.html"
>pg_database</A
>
  </DT
><DT
>pg_database_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_db_role_setting,
    <A
HREF="catalog-pg-db-role-setting.html"
>pg_db_role_setting</A
>
  </DT
><DT
>pg_default_acl,
    <A
HREF="catalog-pg-default-acl.html"
>pg_default_acl</A
>
  </DT
><DT
>pg_depend,
    <A
HREF="catalog-pg-depend.html"
>pg_depend</A
>
  </DT
><DT
>pg_describe_object,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_description,
    <A
HREF="catalog-pg-description.html"
>pg_description</A
>
  </DT
><DT
>pg_dump,
    <A
HREF="app-pgdump.html"
>pg_dump</A
>
  </DT
><DT
>pg_dumpall,
    <A
HREF="app-pg-dumpall.html"
>pg_dumpall</A
>
  </DT
><DD
><DL
><DT
>use during upgrade,
    <A
HREF="upgrading.html#UPGRADE-METHODS-PGDUMP"
>Upgrading Data via pg_dump</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>pg_enum,
    <A
HREF="catalog-pg-enum.html"
>pg_enum</A
>
  </DT
><DT
>pg_extension,
    <A
HREF="catalog-pg-extension.html"
>pg_extension</A
>
  </DT
><DT
>pg_foreign_data_wrapper,
    <A
HREF="catalog-pg-foreign-data-wrapper.html"
>pg_foreign_data_wrapper</A
>
  </DT
><DT
>pg_foreign_server,
    <A
HREF="catalog-pg-foreign-server.html"
>pg_foreign_server</A
>
  </DT
><DT
>pg_foreign_table,
    <A
HREF="catalog-pg-foreign-table.html"
>pg_foreign_table</A
>
  </DT
><DT
>pg_freespacemap,
    <A
HREF="pgfreespacemap.html"
>pg_freespacemap</A
>
  </DT
><DT
>pg_function_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_constraintdef,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_expr,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_functiondef,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_function_arguments,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_function_identity_arguments,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_function_result,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_indexdef,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_keywords,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_ruledef,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_serial_sequence,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_triggerdef,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_userbyid,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_get_viewdef,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_group,
    <A
HREF="view-pg-group.html"
>pg_group</A
>
  </DT
><DT
>pg_has_role,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_hba.conf,
    <A
HREF="auth-pg-hba-conf.html"
>The pg_hba.conf File</A
>
  </DT
><DT
>pg_ident.conf,
    <A
HREF="auth-username-maps.html"
>User Name Maps</A
>
  </DT
><DT
>pg_index,
    <A
HREF="catalog-pg-index.html"
>pg_index</A
>
  </DT
><DT
>pg_indexes,
    <A
HREF="view-pg-indexes.html"
>pg_indexes</A
>
  </DT
><DT
>pg_indexes_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_inherits,
    <A
HREF="catalog-pg-inherits.html"
>pg_inherits</A
>
  </DT
><DT
>pg_is_in_recovery,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_is_other_temp_schema,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_is_xlog_replay_paused,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_language,
    <A
HREF="catalog-pg-language.html"
>pg_language</A
>
  </DT
><DT
>pg_largeobject,
    <A
HREF="catalog-pg-largeobject.html"
>pg_largeobject</A
>
  </DT
><DT
>pg_largeobject_metadata,
    <A
HREF="catalog-pg-largeobject-metadata.html"
>pg_largeobject_metadata</A
>
  </DT
><DT
>pg_last_xact_replay_timestamp,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_last_xlog_receive_location,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_last_xlog_replay_location,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_listening_channels,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_locks,
    <A
HREF="view-pg-locks.html"
>pg_locks</A
>
  </DT
><DT
>pg_ls_dir,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_my_temp_schema,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_namespace,
    <A
HREF="catalog-pg-namespace.html"
>pg_namespace</A
>
  </DT
><DT
>pg_notify,
    <A
HREF="sql-notify.html#AEN73251"
>pg_notify</A
>
  </DT
><DT
>pg_opclass,
    <A
HREF="catalog-pg-opclass.html"
>pg_opclass</A
>
  </DT
><DT
>pg_opclass_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_operator,
    <A
HREF="catalog-pg-operator.html"
>pg_operator</A
>
  </DT
><DT
>pg_operator_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_opfamily,
    <A
HREF="catalog-pg-opfamily.html"
>pg_opfamily</A
>
  </DT
><DT
>pg_options_to_table,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_pltemplate,
    <A
HREF="catalog-pg-pltemplate.html"
>pg_pltemplate</A
>
  </DT
><DT
>pg_postmaster_start_time,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_prepared_statements,
    <A
HREF="view-pg-prepared-statements.html"
>pg_prepared_statements</A
>
  </DT
><DT
>pg_prepared_xacts,
    <A
HREF="view-pg-prepared-xacts.html"
>pg_prepared_xacts</A
>
  </DT
><DT
>pg_proc,
    <A
HREF="catalog-pg-proc.html"
>pg_proc</A
>
  </DT
><DT
>pg_read_binary_file,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_read_file,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_relation_filenode,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_relation_filepath,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_relation_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_reload_conf,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_restore,
    <A
HREF="app-pgrestore.html"
>pg_restore</A
>
  </DT
><DT
>pg_rewrite,
    <A
HREF="catalog-pg-rewrite.html"
>pg_rewrite</A
>
  </DT
><DT
>pg_roles,
    <A
HREF="view-pg-roles.html"
>pg_roles</A
>
  </DT
><DT
>pg_rotate_logfile,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_rules,
    <A
HREF="view-pg-rules.html"
>pg_rules</A
>
  </DT
><DT
>pg_seclabel,
    <A
HREF="catalog-pg-seclabel.html"
>pg_seclabel</A
>
  </DT
><DT
>pg_seclabels,
    <A
HREF="view-pg-seclabels.html"
>pg_seclabels</A
>
  </DT
><DT
>pg_service.conf,
    <A
HREF="libpq-pgservice.html"
>The Connection Service File</A
>
  </DT
><DT
>pg_settings,
    <A
HREF="view-pg-settings.html"
>pg_settings</A
>
  </DT
><DT
>pg_shadow,
    <A
HREF="view-pg-shadow.html"
>pg_shadow</A
>
  </DT
><DT
>pg_shdepend,
    <A
HREF="catalog-pg-shdepend.html"
>pg_shdepend</A
>
  </DT
><DT
>pg_shdescription,
    <A
HREF="catalog-pg-shdescription.html"
>pg_shdescription</A
>
  </DT
><DT
>pg_size_pretty,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_sleep,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-DELAY"
>Delaying Execution</A
>
  </DT
><DT
>pg_standby,
    <A
HREF="pgstandby.html"
>pg_standby</A
>
  </DT
><DT
>pg_start_backup,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_statio_all_indexes,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_all_sequences,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_all_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_sys_indexes,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_sys_sequences,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_sys_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_user_indexes,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_user_sequences,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statio_user_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_statistic,
    <A
HREF="planner-stats.html"
>Statistics Used by the Planner</A
>,
    <A
HREF="catalog-pg-statistic.html"
>pg_statistic</A
>
  </DT
><DT
>pg_stats,
    <A
HREF="planner-stats.html"
>Statistics Used by the Planner</A
>,
    <A
HREF="view-pg-stats.html"
>pg_stats</A
>
  </DT
><DT
>pg_stat_activity,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_all_indexes,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_all_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_bgwriter,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_database,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_database_conflicts,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_file,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_stat_replication,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_statements,
    <A
HREF="pgstatstatements.html"
>pg_stat_statements</A
>
  </DT
><DT
>pg_stat_sys_indexes,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_sys_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_user_functions,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_user_indexes,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_user_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_xact_all_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_xact_sys_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_xact_user_functions,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stat_xact_user_tables,
    <A
HREF="monitoring-stats.html#MONITORING-STATS-VIEWS"
>Viewing Collected Statistics</A
>
  </DT
><DT
>pg_stop_backup,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_switch_xlog,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_tables,
    <A
HREF="view-pg-tables.html"
>pg_tables</A
>
  </DT
><DT
>pg_tablespace,
    <A
HREF="catalog-pg-tablespace.html"
>pg_tablespace</A
>
  </DT
><DT
>pg_tablespace_databases,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_tablespace_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_table_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_table_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_terminate_backend,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_test_fsync,
    <A
HREF="pgtestfsync.html"
>pg_test_fsync</A
>
  </DT
><DT
>pg_timezone_abbrevs,
    <A
HREF="view-pg-timezone-abbrevs.html"
>pg_timezone_abbrevs</A
>
  </DT
><DT
>pg_timezone_names,
    <A
HREF="view-pg-timezone-names.html"
>pg_timezone_names</A
>
  </DT
><DT
>pg_total_relation_size,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_trgm,
    <A
HREF="pgtrgm.html"
>pg_trgm</A
>
  </DT
><DT
>pg_trigger,
    <A
HREF="catalog-pg-trigger.html"
>pg_trigger</A
>
  </DT
><DT
>pg_try_advisory_lock,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_try_advisory_lock_shared,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_try_advisory_xact_lock,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_try_advisory_xact_lock_shared,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_ts_config,
    <A
HREF="catalog-pg-ts-config.html"
>pg_ts_config</A
>
  </DT
><DT
>pg_ts_config_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_ts_config_map,
    <A
HREF="catalog-pg-ts-config-map.html"
>pg_ts_config_map</A
>
  </DT
><DT
>pg_ts_dict,
    <A
HREF="catalog-pg-ts-dict.html"
>pg_ts_dict</A
>
  </DT
><DT
>pg_ts_dict_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_ts_parser,
    <A
HREF="catalog-pg-ts-parser.html"
>pg_ts_parser</A
>
  </DT
><DT
>pg_ts_parser_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_ts_template,
    <A
HREF="catalog-pg-ts-template.html"
>pg_ts_template</A
>
  </DT
><DT
>pg_ts_template_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_type,
    <A
HREF="catalog-pg-type.html"
>pg_type</A
>
  </DT
><DT
>pg_typeof,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_type_is_visible,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>pg_upgrade,
    <A
HREF="pgupgrade.html"
>pg_upgrade</A
>
  </DT
><DT
>pg_user,
    <A
HREF="view-pg-user.html"
>pg_user</A
>
  </DT
><DT
>pg_user_mapping,
    <A
HREF="catalog-pg-user-mapping.html"
>pg_user_mapping</A
>
  </DT
><DT
>pg_user_mappings,
    <A
HREF="view-pg-user-mappings.html"
>pg_user_mappings</A
>
  </DT
><DT
>pg_views,
    <A
HREF="view-pg-views.html"
>pg_views</A
>
  </DT
><DT
>pg_xlogfile_name,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_xlogfile_name_offset,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_xlog_replay_pause,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>pg_xlog_replay_resume,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>phantom read,
    <A
HREF="transaction-iso.html"
>Transaction Isolation</A
>
  </DT
><DT
>pi,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>PIC,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DT
>PID
  </DT
><DD
><DL
><DT
>determining PID of server process
  </DT
><DD
><DL
><DT
>in libpq,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
></DL
></DD
></DL
></DD
><DT
>PITR,
    <A
HREF="backup.html"
>Backup and Restore</A
>
  </DT
><DT
>PITR standby,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>PL/Perl,
    <A
HREF="plperl.html"
>PL/Perl - Perl Procedural Language</A
>
  </DT
><DT
>PL/PerlU,
    <A
HREF="plperl-trusted.html"
>Trusted and Untrusted PL/Perl</A
>
  </DT
><DT
>PL/pgSQL,
    <A
HREF="plpgsql.html"
>PL/pgSQL - SQL Procedural Language</A
>
  </DT
><DT
>PL/Python,
    <A
HREF="plpython.html"
>PL/Python - Python Procedural Language</A
>
  </DT
><DT
>PL/SQL (Oracle)
  </DT
><DD
><DL
><DT
>porting to PL/pgSQL,
    <A
HREF="plpgsql-porting.html"
>Porting from Oracle PL/SQL</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>PL/Tcl,
    <A
HREF="pltcl.html"
>PL/Tcl - Tcl Procedural Language</A
>
  </DT
><DT
>plainto_tsquery,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES"
>Parsing Queries</A
>
  </DT
><DT
>plperl.on_init configuration parameter,
    <A
HREF="plperl-under-the-hood.html#PLPERL-CONFIG"
>Configuration</A
>
  </DT
><DT
>plperl.on_plperlu_init configuration parameter,
    <A
HREF="plperl-under-the-hood.html#PLPERL-CONFIG"
>Configuration</A
>
  </DT
><DT
>plperl.on_plperl_init configuration parameter,
    <A
HREF="plperl-under-the-hood.html#PLPERL-CONFIG"
>Configuration</A
>
  </DT
><DT
>plperl.use_strict configuration parameter,
    <A
HREF="plperl-under-the-hood.html#PLPERL-CONFIG"
>Configuration</A
>
  </DT
><DT
>plpgsql.variable_conflict configuration parameter,
    <A
HREF="plpgsql-implementation.html#PLPGSQL-VAR-SUBST"
>Variable Substitution</A
>
  </DT
><DT
>point,
    <A
HREF="datatype-geometric.html#AEN6432"
>Points</A
>,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>point-in-time recovery,
    <A
HREF="backup.html"
>Backup and Restore</A
>
  </DT
><DT
>polygon,
    <A
HREF="datatype-geometric.html#AEN6541"
>Polygons</A
>,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>polymorphic function,
    <A
HREF="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC"
>Polymorphic Types</A
>
  </DT
><DT
>polymorphic type,
    <A
HREF="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC"
>Polymorphic Types</A
>
  </DT
><DT
>popen,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>port,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>port configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>position,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>POSTGRES,
    <A
HREF="history.html#HISTORY-BERKELEY"
>The Berkeley POSTGRES Project</A
>,
    <A
HREF="tutorial-arch.html"
>Architectural Fundamentals</A
>,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>,
    <A
HREF="manage-ag-createdb.html"
>Creating a Database</A
>,
    <A
HREF="app-postgres.html"
>postgres</A
>
  </DT
><DT
>postgres user,
    <A
HREF="postgres-user.html"
>The PostgreSQL User Account</A
>
  </DT
><DT
>Postgres95,
    <A
HREF="history.html#HISTORY-POSTGRES95"
>Postgres95</A
>
  </DT
><DT
>postgresql.conf,
    <A
HREF="config-setting.html"
>Setting Parameters</A
>
  </DT
><DT
>postmaster,
    <A
HREF="app-postmaster.html"
>postmaster</A
>
  </DT
><DT
>post_auth_delay configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>power,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>PQbackendPID,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQbinaryTuples,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DD
><DL
><DT
>with COPY,
    <A
HREF="libpq-copy.html"
>Functions Associated with the COPY Command</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>PQcancel,
    <A
HREF="libpq-cancel.html"
>Canceling Queries in Progress</A
>
  </DT
><DT
>PQclear,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQclientEncoding,
    <A
HREF="libpq-control.html"
>Control Functions</A
>
  </DT
><DT
>PQcmdStatus,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-NONSELECT"
>Retrieving Other Result Information</A
>
  </DT
><DT
>PQcmdTuples,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-NONSELECT"
>Retrieving Other Result Information</A
>
  </DT
><DT
>PQconndefaults,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconnectdb,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconnectdbParams,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconnectionNeedsPassword,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQconnectionUsedPassword,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQconnectPoll,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconnectStart,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconnectStartParams,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconninfoFree,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQconninfoParse,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQconsumeInput,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQcopyResult,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQdb,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQdescribePortal,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQdescribePrepared,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQencryptPassword,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQendcopy,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-DEPRECATED"
>Obsolete Functions for COPY</A
>
  </DT
><DT
>PQerrorMessage,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQescapeBytea,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQescapeByteaConn,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQescapeIdentifier,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQescapeLiteral,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQescapeString,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQescapeStringConn,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQexec,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQexecParams,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQexecPrepared,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQfformat,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DD
><DL
><DT
>with COPY,
    <A
HREF="libpq-copy.html"
>Functions Associated with the COPY Command</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>PQfinish,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQfireResultCreateEvents,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQflush,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQfmod,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQfn,
    <A
HREF="libpq-fastpath.html"
>The Fast-Path Interface</A
>
  </DT
><DT
>PQfname,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQfnumber,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQfreeCancel,
    <A
HREF="libpq-cancel.html"
>Canceling Queries in Progress</A
>
  </DT
><DT
>PQfreemem,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQfsize,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQftable,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQftablecol,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQftype,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQgetCancel,
    <A
HREF="libpq-cancel.html"
>Canceling Queries in Progress</A
>
  </DT
><DT
>PQgetCopyData,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-RECEIVE"
>Functions for Receiving COPY Data</A
>
  </DT
><DT
>PQgetisnull,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQgetlength,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQgetline,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-DEPRECATED"
>Obsolete Functions for COPY</A
>
  </DT
><DT
>PQgetlineAsync,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-DEPRECATED"
>Obsolete Functions for COPY</A
>
  </DT
><DT
>PQgetResult,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQgetssl,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQgetvalue,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQhost,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQinitOpenSSL,
    <A
HREF="libpq-ssl.html#LIBPQ-SSL-INITIALIZE"
>SSL Library Initialization</A
>
  </DT
><DT
>PQinitSSL,
    <A
HREF="libpq-ssl.html#LIBPQ-SSL-INITIALIZE"
>SSL Library Initialization</A
>
  </DT
><DT
>PQinstanceData,
    <A
HREF="libpq-events.html#LIBPQ-EVENTS-FUNCS"
>Event Support Functions</A
>
  </DT
><DT
>PQisBusy,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQisnonblocking,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQisthreadsafe,
    <A
HREF="libpq-threading.html"
>Behavior in Threaded Programs</A
>
  </DT
><DT
>PQlibVersion,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DD
><DL
><DT
>see also PQserverVersion</DT
></DL
></DD
><DT
>PQmakeEmptyPGresult,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQnfields,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DD
><DL
><DT
>with COPY,
    <A
HREF="libpq-copy.html"
>Functions Associated with the COPY Command</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>PQnotifies,
    <A
HREF="libpq-notify.html"
>Asynchronous Notification</A
>
  </DT
><DT
>PQnparams,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQntuples,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQoidStatus,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-NONSELECT"
>Retrieving Other Result Information</A
>
  </DT
><DT
>PQoidValue,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-NONSELECT"
>Retrieving Other Result Information</A
>
  </DT
><DT
>PQoptions,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQparameterStatus,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQparamtype,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQpass,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQping,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQpingParams,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQport,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQprepare,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQprint,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-SELECT-INFO"
>Retrieving Query Result Information</A
>
  </DT
><DT
>PQprotocolVersion,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQputCopyData,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-SEND"
>Functions for Sending COPY Data</A
>
  </DT
><DT
>PQputCopyEnd,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-SEND"
>Functions for Sending COPY Data</A
>
  </DT
><DT
>PQputline,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-DEPRECATED"
>Obsolete Functions for COPY</A
>
  </DT
><DT
>PQputnbytes,
    <A
HREF="libpq-copy.html#LIBPQ-COPY-DEPRECATED"
>Obsolete Functions for COPY</A
>
  </DT
><DT
>PQregisterEventProc,
    <A
HREF="libpq-events.html#LIBPQ-EVENTS-FUNCS"
>Event Support Functions</A
>
  </DT
><DT
>PQrequestCancel,
    <A
HREF="libpq-cancel.html"
>Canceling Queries in Progress</A
>
  </DT
><DT
>PQreset,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQresetPoll,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQresetStart,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQresStatus,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQresultAlloc,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQresultErrorField,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQresultErrorMessage,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQresultInstanceData,
    <A
HREF="libpq-events.html#LIBPQ-EVENTS-FUNCS"
>Event Support Functions</A
>
  </DT
><DT
>PQresultSetInstanceData,
    <A
HREF="libpq-events.html#LIBPQ-EVENTS-FUNCS"
>Event Support Functions</A
>
  </DT
><DT
>PQresultStatus,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-MAIN"
>Main Functions</A
>
  </DT
><DT
>PQsendDescribePortal,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQsendDescribePrepared,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQsendPrepare,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQsendQuery,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQsendQueryParams,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQsendQueryPrepared,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQserverVersion,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQsetClientEncoding,
    <A
HREF="libpq-control.html"
>Control Functions</A
>
  </DT
><DT
>PQsetdb,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQsetdbLogin,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>PQsetErrorVerbosity,
    <A
HREF="libpq-control.html"
>Control Functions</A
>
  </DT
><DT
>PQsetInstanceData,
    <A
HREF="libpq-events.html#LIBPQ-EVENTS-FUNCS"
>Event Support Functions</A
>
  </DT
><DT
>PQsetnonblocking,
    <A
HREF="libpq-async.html"
>Asynchronous Command Processing</A
>
  </DT
><DT
>PQsetNoticeProcessor,
    <A
HREF="libpq-notice-processing.html"
>Notice Processing</A
>
  </DT
><DT
>PQsetNoticeReceiver,
    <A
HREF="libpq-notice-processing.html"
>Notice Processing</A
>
  </DT
><DT
>PQsetResultAttrs,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQsetvalue,
    <A
HREF="libpq-misc.html"
>Miscellaneous Functions</A
>
  </DT
><DT
>PQsocket,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQstatus,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQtrace,
    <A
HREF="libpq-control.html"
>Control Functions</A
>
  </DT
><DT
>PQtransactionStatus,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQtty,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>PQunescapeBytea,
    <A
HREF="libpq-exec.html#LIBPQ-EXEC-ESCAPE-STRING"
>Escaping Strings for Inclusion in SQL Commands</A
>
  </DT
><DT
>PQuntrace,
    <A
HREF="libpq-control.html"
>Control Functions</A
>
  </DT
><DT
>PQuser,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DT
>predicate locking,
    <A
HREF="transaction-iso.html#XACT-SERIALIZABLE"
>Serializable Isolation Level</A
>
  </DT
><DT
>PREPARE,
    <A
HREF="sql-prepare.html"
>PREPARE</A
>
  </DT
><DT
>PREPARE TRANSACTION,
    <A
HREF="sql-prepare-transaction.html"
>PREPARE TRANSACTION</A
>
  </DT
><DT
>prepared statements
  </DT
><DD
><DL
><DT
>creating,
    <A
HREF="sql-prepare.html"
>PREPARE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>executing,
    <A
HREF="sql-execute.html"
>EXECUTE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>removing,
    <A
HREF="sql-deallocate.html"
>DEALLOCATE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>showing the query plan,
    <A
HREF="sql-explain.html"
>EXPLAIN</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>preparing a query
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-implementation.html#PLPGSQL-PLAN-CACHING"
>Plan Caching</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Python,
    <A
HREF="plpython-database.html#AEN56907"
>Database Access Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Tcl,
    <A
HREF="pltcl-dbaccess.html"
>Database Access from PL/Tcl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>pre_auth_delay configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>primary key,
    <A
HREF="ddl-constraints.html#AEN2493"
>Primary Keys</A
>
  </DT
><DT
>primary_conninfo recovery parameter,
    <A
HREF="standby-settings.html"
>Standby Server Settings</A
>
  </DT
><DT
>privilege,
    <A
HREF="ddl-priv.html"
>Privileges</A
>
  </DT
><DD
><DL
><DT
>querying,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>with rules,
    <A
HREF="rules-privileges.html"
>Rules and Privileges</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for schemas,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PRIV"
>Schemas and Privileges</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>with views,
    <A
HREF="rules-privileges.html"
>Rules and Privileges</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>procedural language,
    <A
HREF="xplang.html"
>Procedural Languages</A
>
  </DT
><DD
><DL
><DT
>externally maintained,
    <A
HREF="external-pl.html"
>Procedural Languages</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>handler for,
    <A
HREF="plhandler.html"
>Writing A Procedural Language Handler</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>protocol
  </DT
><DD
><DL
><DT
>frontend-backend,
    <A
HREF="protocol.html"
>Frontend/Backend Protocol</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ps
  </DT
><DD
><DL
><DT
>to monitor activity,
    <A
HREF="monitoring-ps.html"
>Standard Unix Tools</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>psql,
    <A
HREF="tutorial-accessdb.html"
>Accessing a Database</A
>,
    <A
HREF="app-psql.html"
>psql</A
>
  </DT
><DT
>Python,
    <A
HREF="plpython.html"
>PL/Python - Python Procedural Language</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN143672"
>Q</A
></H2
><DL
><DT
>qualified name,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-CREATE"
>Creating a Schema</A
>
  </DT
><DT
>query,
    <A
HREF="tutorial-select.html"
>Querying a Table</A
>,
    <A
HREF="queries.html"
>Queries</A
>
  </DT
><DT
>query plan,
    <A
HREF="using-explain.html"
>Using EXPLAIN</A
>
  </DT
><DT
>query tree,
    <A
HREF="querytree.html"
>The Query Tree</A
>
  </DT
><DT
>querytree,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSQUERY"
>Manipulating Queries</A
>
  </DT
><DT
>quotation marks
  </DT
><DD
><DL
><DT
>and identifiers,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>escaping,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS"
>String Constants</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>quote_all_identifiers configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>quote_ident,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>use in PL/pgSQL,
    <A
HREF="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN"
>Executing Dynamic Commands</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>quote_literal,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>use in PL/pgSQL,
    <A
HREF="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN"
>Executing Dynamic Commands</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>quote_nullable,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-UTILITY-FUNCTIONS"
>Utility Functions in PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>use in PL/pgSQL,
    <A
HREF="plpgsql-statements.html#PLPGSQL-STATEMENTS-EXECUTING-DYN"
>Executing Dynamic Commands</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN143721"
>R</A
></H2
><DL
><DT
>radians,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>radius,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>,
    <A
HREF="auth-methods.html#AUTH-RADIUS"
>RADIUS Authentication</A
>
  </DT
><DT
>RAISE,
    <A
HREF="plpgsql-errors-and-messages.html"
>Errors and Messages</A
>
  </DT
><DT
>random,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>random_page_cost configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS"
>Planner Cost Constants</A
>
  </DT
><DT
>range table,
    <A
HREF="querytree.html"
>The Query Tree</A
>
  </DT
><DT
>rank,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>read committed,
    <A
HREF="transaction-iso.html#XACT-READ-COMMITTED"
>Read Committed Isolation Level</A
>
  </DT
><DT
>read-only transaction
  </DT
><DD
><DL
><DT
>setting,
    <A
HREF="sql-set-transaction.html"
>SET TRANSACTION</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>setting default,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>readline,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
><DT
>real,
    <A
HREF="datatype-numeric.html#DATATYPE-FLOAT"
>Floating-Point Types</A
>
  </DT
><DT
>REASSIGN OWNED,
    <A
HREF="sql-reassign-owned.html"
>REASSIGN OWNED</A
>
  </DT
><DT
>record,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>recovery.conf,
    <A
HREF="recovery-config.html"
>Recovery Configuration</A
>
  </DT
><DT
>recovery_end_command recovery parameter,
    <A
HREF="archive-recovery-settings.html"
>Archive Recovery Settings</A
>
  </DT
><DT
>recovery_target_inclusive recovery parameter,
    <A
HREF="recovery-target-settings.html"
>Recovery Target Settings</A
>
  </DT
><DT
>recovery_target_name recovery parameter,
    <A
HREF="recovery-target-settings.html"
>Recovery Target Settings</A
>
  </DT
><DT
>recovery_target_time recovery parameter,
    <A
HREF="recovery-target-settings.html"
>Recovery Target Settings</A
>
  </DT
><DT
>recovery_target_timeline recovery parameter,
    <A
HREF="recovery-target-settings.html"
>Recovery Target Settings</A
>
  </DT
><DT
>recovery_target_xid recovery parameter,
    <A
HREF="recovery-target-settings.html"
>Recovery Target Settings</A
>
  </DT
><DT
>rectangle,
    <A
HREF="datatype-geometric.html#AEN6479"
>Boxes</A
>
  </DT
><DT
>referential integrity,
    <A
HREF="tutorial-fk.html"
>Foreign Keys</A
>,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-FK"
>Foreign Keys</A
>
  </DT
><DT
>regclass,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regconfig,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regdictionary,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regexp_matches,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-POSIX-REGEXP"
>POSIX Regular Expressions</A
>
  </DT
><DT
>regexp_replace,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-POSIX-REGEXP"
>POSIX Regular Expressions</A
>
  </DT
><DT
>regexp_split_to_array,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-POSIX-REGEXP"
>POSIX Regular Expressions</A
>
  </DT
><DT
>regexp_split_to_table,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-POSIX-REGEXP"
>POSIX Regular Expressions</A
>
  </DT
><DT
>regoper,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regoperator,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regproc,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regprocedure,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regression intercept,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regression slope,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regression test,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
><DT
>regression tests,
    <A
HREF="regress.html"
>Regression Tests</A
>
  </DT
><DT
>regr_avgx,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_avgy,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_count,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_intercept,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_r2,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_slope,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_sxx,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_sxy,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regr_syy,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>regtype,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>regular expression,
    <A
HREF="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP"
>SIMILAR TO Regular Expressions</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-POSIX-REGEXP"
>POSIX Regular Expressions</A
>
  </DT
><DD
><DL
><DT
>see also pattern matching</DT
></DL
></DD
><DT
>regular expressions
  </DT
><DD
><DL
><DT
>and locales,
    <A
HREF="locale.html#AEN31443"
>Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>reindex,
    <A
HREF="routine-reindex.html"
>Routine Reindexing</A
>,
    <A
HREF="sql-reindex.html"
>REINDEX</A
>
  </DT
><DT
>reindexdb,
    <A
HREF="app-reindexdb.html"
>reindexdb</A
>
  </DT
><DT
>relation,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>
  </DT
><DT
>relational database,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>
  </DT
><DT
>RELEASE SAVEPOINT,
    <A
HREF="sql-release-savepoint.html"
>RELEASE SAVEPOINT</A
>
  </DT
><DT
>repeat,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>repeatable read,
    <A
HREF="transaction-iso.html#XACT-REPEATABLE-READ"
>Repeatable Read Isolation Level</A
>
  </DT
><DT
>replace,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>replication,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>replication_timeout configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-MASTER"
>Master Server</A
>
  </DT
><DT
>reporting errors
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-errors-and-messages.html"
>Errors and Messages</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>RESET,
    <A
HREF="sql-reset.html"
>RESET</A
>
  </DT
><DT
>restartpoint,
    <A
HREF="wal-configuration.html"
>WAL Configuration</A
>
  </DT
><DT
>restart_after_crash configuration parameter,
    <A
HREF="runtime-config-error-handling.html"
>Error Handling</A
>
  </DT
><DT
>restore_command recovery parameter,
    <A
HREF="archive-recovery-settings.html"
>Archive Recovery Settings</A
>
  </DT
><DT
>RESTRICT
  </DT
><DD
><DL
><DT
>with DROP,
    <A
HREF="ddl-depend.html"
>Dependency Tracking</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>foreign key action,
    <A
HREF="ddl-constraints.html#DDL-CONSTRAINTS-FK"
>Foreign Keys</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>RETURN NEXT
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#AEN54080"
>RETURN NEXT and RETURN QUERY</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>RETURN QUERY
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#AEN54080"
>RETURN NEXT and RETURN QUERY</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>RETURNING INTO
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-statements.html#PLPGSQL-STATEMENTS-SQL-ONEROW"
>Executing a Query with a Single-row Result</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>reverse,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>REVOKE,
    <A
HREF="ddl-priv.html"
>Privileges</A
>,
    <A
HREF="sql-revoke.html"
>REVOKE</A
>
  </DT
><DT
>right,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>right join,
    <A
HREF="queries-table-expressions.html#QUERIES-JOIN"
>Joined Tables</A
>
  </DT
><DT
>role,
    <A
HREF="database-roles.html"
>Database Roles</A
>
  </DT
><DD
><DL
><DT
>applicable,
    <A
HREF="infoschema-applicable-roles.html"
>applicable_roles</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>enabled,
    <A
HREF="infoschema-enabled-roles.html"
>enabled_roles</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>membership in,
    <A
HREF="role-membership.html"
>Role Membership</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>privilege to create,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>privilege to initiate replication,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ROLLBACK,
    <A
HREF="sql-rollback.html"
>ROLLBACK</A
>
  </DT
><DD
><DL
><DT
>psql,
    <A
HREF="app-psql.html#APP-PSQL-VARIABLES"
>Variables</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ROLLBACK PREPARED,
    <A
HREF="sql-rollback-prepared.html"
>ROLLBACK PREPARED</A
>
  </DT
><DT
>ROLLBACK TO SAVEPOINT,
    <A
HREF="sql-rollback-to.html"
>ROLLBACK TO SAVEPOINT</A
>
  </DT
><DT
>round,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>routine maintenance,
    <A
HREF="maintenance.html"
>Routine Database Maintenance Tasks</A
>
  </DT
><DT
>row,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS"
>Row Constructors</A
>,
    <A
HREF="ddl-basics.html"
>Table Basics</A
>
  </DT
><DT
>row estimation
  </DT
><DD
><DL
><DT
>planner,
    <A
HREF="row-estimation-examples.html"
>Row Estimation Examples</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>row type,
    <A
HREF="rowtypes.html"
>Composite Types</A
>
  </DT
><DD
><DL
><DT
>constructor,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS"
>Row Constructors</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>row-wise comparison,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>row_number,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DT
>rpad,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>rtrim,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>rule,
    <A
HREF="rules.html"
>The Rule System</A
>
  </DT
><DD
><DL
><DT
>and views,
    <A
HREF="rules-views.html"
>Views and the Rule System</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for DELETE,
    <A
HREF="rules-update.html"
>Rules on INSERT, UPDATE, and DELETE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for INSERT,
    <A
HREF="rules-update.html"
>Rules on INSERT, UPDATE, and DELETE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for SELECT,
    <A
HREF="rules-views.html#RULES-SELECT"
>How SELECT Rules Work</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>compared with triggers,
    <A
HREF="rules-triggers.html"
>Rules Versus Triggers</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for UPDATE,
    <A
HREF="rules-update.html"
>Rules on INSERT, UPDATE, and DELETE</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN144031"
>S</A
></H2
><DL
><DT
>SAVEPOINT,
    <A
HREF="sql-savepoint.html"
>SAVEPOINT</A
>
  </DT
><DT
>savepoints
  </DT
><DD
><DL
><DT
>defining,
    <A
HREF="sql-savepoint.html"
>SAVEPOINT</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>releasing,
    <A
HREF="sql-release-savepoint.html"
>RELEASE SAVEPOINT</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>rolling back,
    <A
HREF="sql-rollback-to.html"
>ROLLBACK TO SAVEPOINT</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>scalar
  </DT
><DD
><DL
><DT
>see expression</DT
></DL
></DD
><DT
>schema,
    <A
HREF="ddl-schemas.html"
>Schemas</A
>,
    <A
HREF="manage-ag-overview.html"
>Overview</A
>
  </DT
><DD
><DL
><DT
>creating,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-CREATE"
>Creating a Schema</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>current,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PATH"
>The Schema Search Path</A
>,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>public,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PUBLIC"
>The Public Schema</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>removing,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-CREATE"
>Creating a Schema</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SCO
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-SCO"
>SCO OpenServer and SCO UnixWare</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SCO OpenServer
  </DT
><DD
><DL
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>search path,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PATH"
>The Schema Search Path</A
>
  </DT
><DD
><DL
><DT
>current,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>search_path,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PATH"
>The Schema Search Path</A
>
  </DT
><DT
>search_path configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>SECURITY LABEL,
    <A
HREF="sql-security-label.html"
>SECURITY LABEL</A
>
  </DT
><DT
>seg,
    <A
HREF="seg.html"
>seg</A
>
  </DT
><DT
>segment_size configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>SELECT,
    <A
HREF="tutorial-select.html"
>Querying a Table</A
>,
    <A
HREF="queries.html"
>Queries</A
>,
    <A
HREF="sql-select.html"
>SELECT</A
>
  </DT
><DD
><DL
><DT
>select list,
    <A
HREF="queries-select-lists.html"
>Select Lists</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SELECT INTO,
    <A
HREF="sql-selectinto.html"
>SELECT INTO</A
>
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-statements.html#PLPGSQL-STATEMENTS-SQL-ONEROW"
>Executing a Query with a Single-row Result</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>semaphores,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DT
>sepgsql,
    <A
HREF="sepgsql.html"
>sepgsql</A
>
  </DT
><DT
>sepgsql.debug_audit configuration parameter,
    <A
HREF="sepgsql.html#SEPGSQL-PARAMETERS"
>GUC Parameters</A
>
  </DT
><DT
>sepgsql.permissive configuration parameter,
    <A
HREF="sepgsql.html#SEPGSQL-PARAMETERS"
>GUC Parameters</A
>
  </DT
><DT
>sequence,
    <A
HREF="functions-sequence.html"
>Sequence Manipulation Functions</A
>
  </DT
><DD
><DL
><DT
>and serial type,
    <A
HREF="datatype-numeric.html#DATATYPE-SERIAL"
>Serial Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>sequential scan,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-ENABLE"
>Planner Method Configuration</A
>
  </DT
><DT
>seq_page_cost configuration parameter,
    <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS"
>Planner Cost Constants</A
>
  </DT
><DT
>serial,
    <A
HREF="datatype-numeric.html#DATATYPE-SERIAL"
>Serial Types</A
>
  </DT
><DT
>serial4,
    <A
HREF="datatype-numeric.html#DATATYPE-SERIAL"
>Serial Types</A
>
  </DT
><DT
>serial8,
    <A
HREF="datatype-numeric.html#DATATYPE-SERIAL"
>Serial Types</A
>
  </DT
><DT
>serializable,
    <A
HREF="transaction-iso.html#XACT-SERIALIZABLE"
>Serializable Isolation Level</A
>
  </DT
><DT
>Serializable Snapshot Isolation,
    <A
HREF="mvcc-intro.html"
>Introduction</A
>
  </DT
><DT
>serialization anomaly,
    <A
HREF="transaction-iso.html#XACT-SERIALIZABLE"
>Serializable Isolation Level</A
>
  </DT
><DT
>server log,
    <A
HREF="runtime-config-logging.html"
>Error Reporting and Logging</A
>
  </DT
><DD
><DL
><DT
>log file maintenance,
    <A
HREF="logfile-maintenance.html"
>Log File Maintenance</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>server spoofing,
    <A
HREF="preventing-server-spoofing.html"
>Preventing Server Spoofing</A
>
  </DT
><DT
>server_encoding configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>server_version configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>server_version_num configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>session_replication_role configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>session_user,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>SET,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>,
    <A
HREF="sql-set.html"
>SET</A
>
  </DT
><DT
>SET CONSTRAINTS,
    <A
HREF="sql-set-constraints.html"
>SET CONSTRAINTS</A
>
  </DT
><DT
>set difference,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DT
>set intersection,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DT
>set operation,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DT
>set returning functions
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="functions-srf.html"
>Set Returning Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SET ROLE,
    <A
HREF="sql-set-role.html"
>SET ROLE</A
>
  </DT
><DT
>SET SESSION AUTHORIZATION,
    <A
HREF="sql-set-session-authorization.html"
>SET SESSION AUTHORIZATION</A
>
  </DT
><DT
>SET TRANSACTION,
    <A
HREF="sql-set-transaction.html"
>SET TRANSACTION</A
>
  </DT
><DT
>set union,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DT
>SET XML OPTION,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>setseed,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>setval,
    <A
HREF="functions-sequence.html"
>Sequence Manipulation Functions</A
>
  </DT
><DT
>setweight,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR"
>Manipulating Documents</A
>
  </DT
><DT
>set_bit,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>set_byte,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>set_config,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DT
>set_masklen,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>shared library,
    <A
HREF="install-post.html#AEN24134"
>Shared Libraries</A
>,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DT
>shared memory,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DT
>shared_buffers configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY"
>Memory</A
>
  </DT
><DT
>shared_preload_libraries,
    <A
HREF="xfunc-c.html#AEN50973"
>Shared Memory and LWLocks</A
>
  </DT
><DT
>shared_preload_libraries configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-KERNEL"
>Kernel Resource Usage</A
>
  </DT
><DT
>SHMMAX,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DT
>shobj_description,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>SHOW,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>,
    <A
HREF="sql-show.html"
>SHOW</A
>
  </DT
><DT
>shutdown,
    <A
HREF="server-shutdown.html"
>Shutting Down the Server</A
>
  </DT
><DT
>SIGHUP,
    <A
HREF="config-setting.html"
>Setting Parameters</A
>,
    <A
HREF="auth-pg-hba-conf.html"
>The pg_hba.conf File</A
>,
    <A
HREF="auth-username-maps.html"
>User Name Maps</A
>
  </DT
><DT
>SIGINT,
    <A
HREF="server-shutdown.html"
>Shutting Down the Server</A
>
  </DT
><DT
>sign,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>signal
  </DT
><DD
><DL
><DT
>backend processes,
    <A
HREF="functions-admin.html"
>System Administration Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>significant digits,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>SIGQUIT,
    <A
HREF="server-shutdown.html"
>Shutting Down the Server</A
>
  </DT
><DT
>SIGTERM,
    <A
HREF="server-shutdown.html"
>Shutting Down the Server</A
>
  </DT
><DT
>silent_mode configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>SIMILAR TO,
    <A
HREF="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP"
>SIMILAR TO Regular Expressions</A
>
  </DT
><DT
>sin,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>sleep,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-DELAY"
>Delaying Execution</A
>
  </DT
><DT
>sliced bread
  </DT
><DD
><DL
><DT
>see TOAST</DT
></DL
></DD
><DT
>smallint,
    <A
HREF="datatype-numeric.html#DATATYPE-INT"
>Integer Types</A
>
  </DT
><DT
>Solaris
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-SOLARIS"
>Solaris</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>start script,
    <A
HREF="server-start.html"
>Starting the Database Server</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SOME,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>,
    <A
HREF="functions-comparisons.html"
>Row and Array Comparisons</A
>
  </DT
><DT
>sorting,
    <A
HREF="queries-order.html"
>Sorting Rows</A
>
  </DT
><DT
>SPI,
    <A
HREF="spi.html"
>Server Programming Interface</A
>
  </DT
><DD
><DL
><DT
>examples,
    <A
HREF="contrib-spi.html"
>spi</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SPI_connect,
    <A
HREF="spi-spi-connect.html"
>SPI_connect</A
>
  </DT
><DT
>SPI_copytuple,
    <A
HREF="spi-spi-copytuple.html"
>SPI_copytuple</A
>
  </DT
><DT
>SPI_cursor_close,
    <A
HREF="spi-spi-cursor-close.html"
>SPI_cursor_close</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SPI_cursor_fetch,
    <A
HREF="spi-spi-cursor-fetch.html"
>SPI_cursor_fetch</A
>
  </DT
><DT
>SPI_cursor_find,
    <A
HREF="spi-spi-cursor-find.html"
>SPI_cursor_find</A
>
  </DT
><DT
>SPI_cursor_move,
    <A
HREF="spi-spi-cursor-move.html"
>SPI_cursor_move</A
>
  </DT
><DT
>SPI_cursor_open,
    <A
HREF="spi-spi-cursor-open.html"
>SPI_cursor_open</A
>
  </DT
><DT
>SPI_cursor_open_with_args,
    <A
HREF="spi-spi-cursor-open-with-args.html"
>SPI_cursor_open_with_args</A
>
  </DT
><DT
>SPI_cursor_open_with_paramlist,
    <A
HREF="spi-spi-cursor-open-with-paramlist.html"
>SPI_cursor_open_with_paramlist</A
>
  </DT
><DT
>SPI_exec,
    <A
HREF="spi-spi-exec.html"
>SPI_exec</A
>
  </DT
><DT
>SPI_execp,
    <A
HREF="spi-spi-execp.html"
>SPI_execp</A
>
  </DT
><DT
>SPI_execute,
    <A
HREF="spi-spi-execute.html"
>SPI_execute</A
>
  </DT
><DT
>SPI_execute_plan,
    <A
HREF="spi-spi-execute-plan.html"
>SPI_execute_plan</A
>
  </DT
><DT
>SPI_execute_plan_with_paramlist,
    <A
HREF="spi-spi-execute-plan-with-paramlist.html"
>SPI_execute_plan_with_paramlist</A
>
  </DT
><DT
>SPI_execute_with_args,
    <A
HREF="spi-spi-execute-with-args.html"
>SPI_execute_with_args</A
>
  </DT
><DT
>spi_exec_prepared
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>spi_exec_query
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>spi_fetchrow
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SPI_finish,
    <A
HREF="spi-spi-finish.html"
>SPI_finish</A
>
  </DT
><DT
>SPI_fname,
    <A
HREF="spi-spi-fname.html"
>SPI_fname</A
>
  </DT
><DT
>SPI_fnumber,
    <A
HREF="spi-spi-fnumber.html"
>SPI_fnumber</A
>
  </DT
><DT
>SPI_freeplan,
    <A
HREF="spi-spi-freeplan.html"
>SPI_freeplan</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SPI_freetuple,
    <A
HREF="spi-spi-freetuple.html"
>SPI_freetuple</A
>
  </DT
><DT
>SPI_freetuptable,
    <A
HREF="spi-spi-freetupletable.html"
>SPI_freetuptable</A
>
  </DT
><DT
>SPI_getargcount,
    <A
HREF="spi-spi-getargcount.html"
>SPI_getargcount</A
>
  </DT
><DT
>SPI_getargtypeid,
    <A
HREF="spi-spi-getargtypeid.html"
>SPI_getargtypeid</A
>
  </DT
><DT
>SPI_getbinval,
    <A
HREF="spi-spi-getbinval.html"
>SPI_getbinval</A
>
  </DT
><DT
>SPI_getnspname,
    <A
HREF="spi-spi-getnspname.html"
>SPI_getnspname</A
>
  </DT
><DT
>SPI_getrelname,
    <A
HREF="spi-spi-getrelname.html"
>SPI_getrelname</A
>
  </DT
><DT
>SPI_gettype,
    <A
HREF="spi-spi-gettype.html"
>SPI_gettype</A
>
  </DT
><DT
>SPI_gettypeid,
    <A
HREF="spi-spi-gettypeid.html"
>SPI_gettypeid</A
>
  </DT
><DT
>SPI_getvalue,
    <A
HREF="spi-spi-getvalue.html"
>SPI_getvalue</A
>
  </DT
><DT
>SPI_is_cursor_plan,
    <A
HREF="spi-spi-is-cursor-plan.html"
>SPI_is_cursor_plan</A
>
  </DT
><DT
>spi_lastoid,
    <A
HREF="pltcl-dbaccess.html"
>Database Access from PL/Tcl</A
>
  </DT
><DT
>SPI_modifytuple,
    <A
HREF="spi-spi-modifytuple.html"
>SPI_modifytuple</A
>
  </DT
><DT
>SPI_palloc,
    <A
HREF="spi-spi-palloc.html"
>SPI_palloc</A
>
  </DT
><DT
>SPI_pfree,
    <A
HREF="spi-spi-pfree.html"
>SPI_pfree</A
>
  </DT
><DT
>SPI_pop,
    <A
HREF="spi-spi-pop.html"
>SPI_pop</A
>
  </DT
><DT
>SPI_prepare,
    <A
HREF="spi-spi-prepare.html"
>SPI_prepare</A
>
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SPI_prepare_cursor,
    <A
HREF="spi-spi-prepare-cursor.html"
>SPI_prepare_cursor</A
>
  </DT
><DT
>SPI_prepare_params,
    <A
HREF="spi-spi-prepare-params.html"
>SPI_prepare_params</A
>
  </DT
><DT
>SPI_push,
    <A
HREF="spi-spi-push.html"
>SPI_push</A
>
  </DT
><DT
>spi_query
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>spi_query_prepared
  </DT
><DD
><DL
><DT
>in PL/Perl,
    <A
HREF="plperl-builtins.html#PLPERL-DATABASE"
>Database Access from PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>SPI_repalloc,
    <A
HREF="spi-realloc.html"
>SPI_repalloc</A
>
  </DT
><DT
>SPI_returntuple,
    <A
HREF="spi-spi-returntuple.html"
>SPI_returntuple</A
>
  </DT
><DT
>SPI_saveplan,
    <A
HREF="spi-spi-saveplan.html"
>SPI_saveplan</A
>
  </DT
><DT
>SPI_scroll_cursor_fetch,
    <A
HREF="spi-spi-scroll-cursor-fetch.html"
>SPI_scroll_cursor_fetch</A
>
  </DT
><DT
>SPI_scroll_cursor_move,
    <A
HREF="spi-spi-scroll-cursor-move.html"
>SPI_scroll_cursor_move</A
>
  </DT
><DT
>split_part,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>SQL/CLI,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/Foundation,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/Framework,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/JRT,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/MED,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/OLB,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/PSM,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/Schemata,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>SQL/XML,
    <A
HREF="features.html"
>SQL Conformance</A
>
  </DT
><DT
>sql_inheritance configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>sqrt,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>ssh,
    <A
HREF="ssh-tunnels.html"
>Secure TCP/IP Connections with SSH Tunnels</A
>
  </DT
><DT
>SSI,
    <A
HREF="mvcc-intro.html"
>Introduction</A
>
  </DT
><DT
>SSL,
    <A
HREF="ssl-tcp.html"
>Secure TCP/IP Connections with SSL</A
>,
    <A
HREF="libpq-ssl.html"
>SSL Support</A
>
  </DT
><DD
><DL
><DT
>with libpq,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>,
    <A
HREF="libpq-status.html"
>Connection Status Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>ssl configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>sslinfo,
    <A
HREF="sslinfo.html"
>sslinfo</A
>
  </DT
><DT
>ssl_ciphers configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>ssl_renegotiation_limit configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DT
>SSPI,
    <A
HREF="auth-methods.html#SSPI-AUTH"
>SSPI Authentication</A
>
  </DT
><DT
>STABLE,
    <A
HREF="xfunc-volatility.html"
>Function Volatility Categories</A
>
  </DT
><DT
>standard deviation,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
><DT
>population,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>sample,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>standard_conforming_strings configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>standby server,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>standby_mode recovery parameter,
    <A
HREF="standby-settings.html"
>Standby Server Settings</A
>
  </DT
><DT
>START TRANSACTION,
    <A
HREF="sql-start-transaction.html"
>START TRANSACTION</A
>
  </DT
><DT
>statement_timeout configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>statement_timestamp,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>statistics,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>,
    <A
HREF="monitoring-stats.html"
>The Statistics Collector</A
>
  </DT
><DD
><DL
><DT
>of the planner,
    <A
HREF="planner-stats.html"
>Statistics Used by the Planner</A
>,
    <A
HREF="routine-vacuuming.html#VACUUM-FOR-STATISTICS"
>Updating Planner Statistics</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>stats_temp_directory configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-COLLECTOR"
>Query and Index Statistics Collector</A
>
  </DT
><DT
>stddev,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>stddev_pop,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>stddev_samp,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>STONITH,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>storage parameters,
    <A
HREF="sql-createtable.html#SQL-CREATETABLE-STORAGE-PARAMETERS"
>Storage Parameters</A
>
  </DT
><DT
>Streaming Replication,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>string
  </DT
><DD
><DL
><DT
>see character string</DT
></DL
></DD
><DT
>strings
  </DT
><DD
><DL
><DT
>backslash quotes,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>escape warning,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>standard conforming,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>string_agg,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>string_to_array,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>strip,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR"
>Manipulating Documents</A
>
  </DT
><DT
>strpos,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>subquery,
    <A
HREF="tutorial-agg.html"
>Aggregate Functions</A
>,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-SCALAR-SUBQUERIES"
>Scalar Subqueries</A
>,
    <A
HREF="queries-table-expressions.html#QUERIES-SUBQUERIES"
>Subqueries</A
>,
    <A
HREF="functions-subquery.html"
>Subquery Expressions</A
>
  </DT
><DT
>subscript,
    <A
HREF="sql-expressions.html#AEN1836"
>Subscripts</A
>
  </DT
><DT
>substr,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>substring,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP"
>SIMILAR TO Regular Expressions</A
>,
    <A
HREF="functions-matching.html#FUNCTIONS-POSIX-REGEXP"
>POSIX Regular Expressions</A
>
  </DT
><DT
>sum,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>superuser,
    <A
HREF="tutorial-accessdb.html"
>Accessing a Database</A
>,
    <A
HREF="role-attributes.html"
>Role Attributes</A
>
  </DT
><DT
>superuser_reserved_connections configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>suppress_redundant_updates_trigger,
    <A
HREF="functions-trigger.html"
>Trigger Functions</A
>
  </DT
><DT
>synchronize_seqscans configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-VERSION"
>Previous PostgreSQL Versions</A
>
  </DT
><DT
>synchronous commit,
    <A
HREF="wal-async-commit.html"
>Asynchronous Commit</A
>
  </DT
><DT
>Synchronous Replication,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>synchronous_commit configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>synchronous_standby_names configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-MASTER"
>Master Server</A
>
  </DT
><DT
>syntax
  </DT
><DD
><DL
><DT
>SQL,
    <A
HREF="sql-syntax.html"
>SQL Syntax</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>syslog_facility configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>syslog_identity configuration parameter,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>system catalog
  </DT
><DD
><DL
><DT
>schema,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-CATALOG"
>The System Catalog Schema</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN144677"
>T</A
></H2
><DL
><DT
>table,
    <A
HREF="tutorial-concepts.html"
>Concepts</A
>,
    <A
HREF="ddl-basics.html"
>Table Basics</A
>
  </DT
><DD
><DL
><DT
>creating,
    <A
HREF="ddl-basics.html"
>Table Basics</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>inheritance,
    <A
HREF="ddl-inherit.html"
>Inheritance</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>modifying,
    <A
HREF="ddl-alter.html"
>Modifying Tables</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>partitioning,
    <A
HREF="ddl-partitioning.html"
>Partitioning</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>removing,
    <A
HREF="ddl-basics.html"
>Table Basics</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>renaming,
    <A
HREF="ddl-alter.html#AEN2784"
>Renaming a Table</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>TABLE command,
    <A
HREF="sql-select.html"
>SELECT</A
>
  </DT
><DT
>table expression,
    <A
HREF="queries-table-expressions.html"
>Table Expressions</A
>
  </DT
><DT
>table function,
    <A
HREF="queries-table-expressions.html#QUERIES-TABLEFUNCTIONS"
>Table Functions</A
>
  </DT
><DT
>tablefunc,
    <A
HREF="tablefunc.html"
>tablefunc</A
>
  </DT
><DT
>tableoid,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DT
>tablespace,
    <A
HREF="manage-ag-tablespaces.html"
>Tablespaces</A
>
  </DT
><DD
><DL
><DT
>default,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>temporary,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>tan,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>target list,
    <A
HREF="querytree.html"
>The Query Tree</A
>
  </DT
><DT
>Tcl,
    <A
HREF="pltcl.html"
>PL/Tcl - Tcl Procedural Language</A
>
  </DT
><DT
>tcp_keepalives_count configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>tcp_keepalives_idle configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>tcp_keepalives_interval configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>template0,
    <A
HREF="manage-ag-templatedbs.html"
>Template Databases</A
>
  </DT
><DT
>template1,
    <A
HREF="manage-ag-createdb.html"
>Creating a Database</A
>,
    <A
HREF="manage-ag-templatedbs.html"
>Template Databases</A
>
  </DT
><DT
>temp_buffers configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY"
>Memory</A
>
  </DT
><DT
>temp_tablespaces configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>test,
    <A
HREF="regress.html"
>Regression Tests</A
>
  </DT
><DT
>test_parser,
    <A
HREF="test-parser.html"
>test_parser</A
>
  </DT
><DT
>text,
    <A
HREF="datatype-character.html"
>Character Types</A
>,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>text search,
    <A
HREF="textsearch.html"
>Full Text Search</A
>
  </DT
><DD
><DL
><DT
>data types,
    <A
HREF="datatype-textsearch.html"
>Text Search Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>functions and operators,
    <A
HREF="datatype-textsearch.html"
>Text Search Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>indexes,
    <A
HREF="textsearch-indexes.html"
>GiST and GIN Index Types</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>threads
  </DT
><DD
><DL
><DT
>with libpq,
    <A
HREF="libpq-threading.html"
>Behavior in Threaded Programs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>tid,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>time,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5580"
>Times</A
>
  </DT
><DD
><DL
><DT
>constants,
    <A
HREF="datatype-datetime.html#AEN5750"
>Special Values</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>current,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-CURRENT"
>Current Date/Time</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>output format,
    <A
HREF="datatype-datetime.html#DATATYPE-DATETIME-OUTPUT"
>Date/Time Output</A
>
  </DT
><DD
><DL
><DT
>see also formatting</DT
></DL
></DD
></DL
></DD
><DT
>time span,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>
  </DT
><DT
>time with time zone,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5580"
>Times</A
>
  </DT
><DT
>time without time zone,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5580"
>Times</A
>
  </DT
><DT
>time zone,
    <A
HREF="datatype-datetime.html#DATATYPE-TIMEZONES"
>Time Zones</A
>,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DD
><DL
><DT
>conversion,
    <A
HREF="functions-datetime.html#FUNCTIONS-DATETIME-ZONECONVERT"
>AT TIME ZONE</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>input abbreviations,
    <A
HREF="datetime-config-files.html"
>Date/Time Configuration Files</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>time zone data,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
><DT
>time zone names,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>timelines,
    <A
HREF="backup.html"
>Backup and Restore</A
>
  </DT
><DT
>timeofday,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>timeout
  </DT
><DD
><DL
><DT
>client authentication,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SECURITY"
>Security and Authentication</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>deadlock,
    <A
HREF="runtime-config-locks.html"
>Lock Management</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>timestamp,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5700"
>Time Stamps</A
>
  </DT
><DT
>timestamp with time zone,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5700"
>Time Stamps</A
>
  </DT
><DT
>timestamp without time zone,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>,
    <A
HREF="datatype-datetime.html#AEN5700"
>Time Stamps</A
>
  </DT
><DT
>timestamptz,
    <A
HREF="datatype-datetime.html"
>Date/Time Types</A
>
  </DT
><DT
>timezone configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>timezone_abbreviations configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-FORMAT"
>Locale and Formatting</A
>
  </DT
><DT
>TOAST,
    <A
HREF="storage-toast.html"
>TOAST</A
>
  </DT
><DD
><DL
><DT
>and user-defined types,
    <A
HREF="xtypes.html"
>User-defined Types</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>per-column storage settings,
    <A
HREF="sql-altertable.html#AEN61842"
>Description</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>versus large objects,
    <A
HREF="lo-intro.html"
>Introduction</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>token,
    <A
HREF="sql-syntax-lexical.html"
>Lexical Structure</A
>
  </DT
><DT
>to_ascii,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>to_char,
    <A
HREF="functions-formatting.html"
>Data Type Formatting Functions</A
>
  </DT
><DD
><DL
><DT
>and locales,
    <A
HREF="locale.html#AEN31443"
>Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>to_date,
    <A
HREF="functions-formatting.html"
>Data Type Formatting Functions</A
>
  </DT
><DT
>to_hex,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>to_number,
    <A
HREF="functions-formatting.html"
>Data Type Formatting Functions</A
>
  </DT
><DT
>to_timestamp,
    <A
HREF="functions-formatting.html"
>Data Type Formatting Functions</A
>
  </DT
><DT
>to_tsquery,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES"
>Parsing Queries</A
>
  </DT
><DT
>to_tsvector,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-controls.html#TEXTSEARCH-PARSING-DOCUMENTS"
>Parsing Documents</A
>
  </DT
><DT
>trace_locks configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_lock_oidmin configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_lock_table configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_lwlocks configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_notify configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_recovery_messages configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_sort configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>trace_userlocks configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>track_activities configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-COLLECTOR"
>Query and Index Statistics Collector</A
>
  </DT
><DT
>track_activity_query_size configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-COLLECTOR"
>Query and Index Statistics Collector</A
>
  </DT
><DT
>track_counts configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-COLLECTOR"
>Query and Index Statistics Collector</A
>
  </DT
><DT
>track_functions configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-COLLECTOR"
>Query and Index Statistics Collector</A
>
  </DT
><DT
>transaction,
    <A
HREF="tutorial-transactions.html"
>Transactions</A
>
  </DT
><DT
>transaction ID
  </DT
><DD
><DL
><DT
>wraparound,
    <A
HREF="routine-vacuuming.html#VACUUM-FOR-WRAPAROUND"
>Preventing Transaction ID Wraparound Failures</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>transaction isolation,
    <A
HREF="transaction-iso.html"
>Transaction Isolation</A
>
  </DT
><DT
>transaction isolation level,
    <A
HREF="transaction-iso.html"
>Transaction Isolation</A
>
  </DT
><DD
><DL
><DT
>read committed,
    <A
HREF="transaction-iso.html#XACT-READ-COMMITTED"
>Read Committed Isolation Level</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>repeatable read,
    <A
HREF="transaction-iso.html#XACT-REPEATABLE-READ"
>Repeatable Read Isolation Level</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>serializable,
    <A
HREF="transaction-iso.html#XACT-SERIALIZABLE"
>Serializable Isolation Level</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>setting,
    <A
HREF="sql-set-transaction.html"
>SET TRANSACTION</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>setting default,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>transaction log
  </DT
><DD
><DL
><DT
>see WAL</DT
></DL
></DD
><DT
>transaction_timestamp,
    <A
HREF="functions-datetime.html"
>Date/Time Functions and Operators</A
>
  </DT
><DT
>transform_null_equals configuration parameter,
    <A
HREF="runtime-config-compatible.html#RUNTIME-CONFIG-COMPATIBLE-CLIENTS"
>Platform and Client Compatibility</A
>
  </DT
><DT
>translate,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DT
>trigger,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>,
    <A
HREF="triggers.html"
>Triggers</A
>
  </DT
><DD
><DL
><DT
>arguments for trigger functions,
    <A
HREF="trigger-definition.html"
>Overview of Trigger Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>for updating a derived tsvector column,
    <A
HREF="textsearch-features.html#TEXTSEARCH-UPDATE-TRIGGERS"
>Triggers for Automatic Updates</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in C,
    <A
HREF="trigger-interface.html"
>Writing Trigger Functions in C</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-trigger.html"
>Trigger Procedures</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Python,
    <A
HREF="plpython-trigger.html"
>Trigger Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in PL/Tcl,
    <A
HREF="pltcl-trigger.html"
>Trigger Procedures in PL/Tcl</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>compared with rules,
    <A
HREF="rules-triggers.html"
>Rules Versus Triggers</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>trigger_file recovery parameter,
    <A
HREF="standby-settings.html"
>Standby Server Settings</A
>
  </DT
><DT
>trim,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>,
    <A
HREF="functions-binarystring.html"
>Binary String Functions and Operators</A
>
  </DT
><DT
>Tru64 UNIX
  </DT
><DD
><DL
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>true,
    <A
HREF="datatype-boolean.html"
>Boolean Type</A
>
  </DT
><DT
>trunc,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>,
    <A
HREF="functions-net.html"
>Network Address Functions and Operators</A
>
  </DT
><DT
>TRUNCATE,
    <A
HREF="sql-truncate.html"
>TRUNCATE</A
>
  </DT
><DT
>trusted
  </DT
><DD
><DL
><DT
>PL/Perl,
    <A
HREF="plperl-trusted.html"
>Trusted and Untrusted PL/Perl</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>tsearch2,
    <A
HREF="tsearch2.html"
>tsearch2</A
>
  </DT
><DT
>tsquery (data type),
    <A
HREF="datatype-textsearch.html#DATATYPE-TSQUERY"
>tsquery</A
>
  </DT
><DT
>tsvector (data type),
    <A
HREF="datatype-textsearch.html#DATATYPE-TSVECTOR"
>tsvector</A
>
  </DT
><DT
>tsvector concatenation,
    <A
HREF="textsearch-features.html#TEXTSEARCH-MANIPULATE-TSVECTOR"
>Manipulating Documents</A
>
  </DT
><DT
>tsvector_update_trigger,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>
  </DT
><DT
>tsvector_update_trigger_column,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>
  </DT
><DT
>ts_debug,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-debugging.html#TEXTSEARCH-CONFIGURATION-TESTING"
>Configuration Testing</A
>
  </DT
><DT
>ts_headline,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-controls.html#TEXTSEARCH-HEADLINE"
>Highlighting Results</A
>
  </DT
><DT
>ts_lexize,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-debugging.html#TEXTSEARCH-DICTIONARY-TESTING"
>Dictionary Testing</A
>
  </DT
><DT
>ts_parse,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-debugging.html#TEXTSEARCH-PARSER-TESTING"
>Parser Testing</A
>
  </DT
><DT
>ts_rank,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-controls.html#TEXTSEARCH-RANKING"
>Ranking Search Results</A
>
  </DT
><DT
>ts_rank_cd,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-controls.html#TEXTSEARCH-RANKING"
>Ranking Search Results</A
>
  </DT
><DT
>ts_rewrite,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-features.html#TEXTSEARCH-QUERY-REWRITING"
>Query Rewriting</A
>
  </DT
><DT
>ts_stat,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-features.html#TEXTSEARCH-STATISTICS"
>Gathering Document Statistics</A
>
  </DT
><DT
>ts_token_type,
    <A
HREF="functions-textsearch.html"
>Text Search Functions and Operators</A
>,
    <A
HREF="textsearch-debugging.html#TEXTSEARCH-PARSER-TESTING"
>Parser Testing</A
>
  </DT
><DT
>txid_current,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>txid_current_snapshot,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>txid_snapshot_xip,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>txid_snapshot_xmax,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>txid_snapshot_xmin,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>txid_visible_in_snapshot,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DT
>type
  </DT
><DD
><DL
><DT
>see data type</DT
><DT
>polymorphic,
    <A
HREF="extend-type-system.html#EXTEND-TYPES-POLYMORPHIC"
>Polymorphic Types</A
>
  </DT
></DL
></DD
><DT
>type cast,
    <A
HREF="sql-syntax-lexical.html#AEN1452"
>Numeric Constants</A
>,
    <A
HREF="sql-expressions.html#SQL-SYNTAX-TYPE-CASTS"
>Type Casts</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN145078"
>U</A
></H2
><DL
><DT
>UESCAPE,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-UESCAPE"
>String Constants with Unicode Escapes</A
>
  </DT
><DT
>unaccent,
    <A
HREF="unaccent.html"
>unaccent</A
>,
    <A
HREF="unaccent.html#AEN137427"
>Functions</A
>
  </DT
><DT
>Unicode escape
  </DT
><DD
><DL
><DT
>in identifiers,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS"
>Identifiers and Key Words</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>in string constants,
    <A
HREF="sql-syntax-lexical.html#SQL-SYNTAX-STRINGS-UESCAPE"
>String Constants with Unicode Escapes</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>UNION,
    <A
HREF="queries-union.html"
>Combining Queries</A
>
  </DT
><DD
><DL
><DT
>determination of result type,
    <A
HREF="typeconv-union-case.html"
>UNION, CASE, and Related Constructs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>unique constraint,
    <A
HREF="ddl-constraints.html#AEN2470"
>Unique Constraints</A
>
  </DT
><DT
>Unix domain socket,
    <A
HREF="libpq-connect.html"
>Database Connection Control Functions</A
>
  </DT
><DT
>UnixWare
  </DT
><DD
><DL
><DT
>installation on,
    <A
HREF="installation-platform-notes.html#INSTALLATION-NOTES-SCO"
>SCO OpenServer and SCO UnixWare</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>IPC configuration,
    <A
HREF="kernel-resources.html#SYSVIPC"
>Shared Memory and Semaphores</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>shared library,
    <A
HREF="xfunc-c.html#DFUNC"
>Compiling and Linking Dynamically-loaded Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>unix_socket_directory configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>unix_socket_group configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>unix_socket_permissions configuration parameter,
    <A
HREF="runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS"
>Connection Settings</A
>
  </DT
><DT
>UNLISTEN,
    <A
HREF="sql-unlisten.html"
>UNLISTEN</A
>
  </DT
><DT
>unnest,
    <A
HREF="functions-array.html"
>Array Functions and Operators</A
>
  </DT
><DT
>unqualified name,
    <A
HREF="ddl-schemas.html#DDL-SCHEMAS-PATH"
>The Schema Search Path</A
>
  </DT
><DT
>UPDATE,
    <A
HREF="tutorial-update.html"
>Updates</A
>,
    <A
HREF="dml-update.html"
>Updating Data</A
>,
    <A
HREF="sql-update.html"
>UPDATE</A
>
  </DT
><DT
>update_process_title configuration parameter,
    <A
HREF="runtime-config-statistics.html#RUNTIME-CONFIG-STATISTICS-COLLECTOR"
>Query and Index Statistics Collector</A
>
  </DT
><DT
>updating,
    <A
HREF="dml-update.html"
>Updating Data</A
>
  </DT
><DT
>upgrading,
    <A
HREF="upgrading.html"
>Upgrading a PostgreSQL Cluster</A
>
  </DT
><DT
>upper,
    <A
HREF="functions-string.html"
>String Functions and Operators</A
>
  </DT
><DD
><DL
><DT
>and locales,
    <A
HREF="locale.html#AEN31443"
>Behavior</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>user,
    <A
HREF="functions-info.html"
>System Information Functions</A
>,
    <A
HREF="database-roles.html"
>Database Roles</A
>
  </DT
><DD
><DL
><DT
>current,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>user mapping,
    <A
HREF="ddl-foreign-data.html"
>Foreign Data</A
>
  </DT
><DT
>User name maps,
    <A
HREF="auth-username-maps.html"
>User Name Maps</A
>
  </DT
><DT
>UUID,
    <A
HREF="datatype-uuid.html"
>UUID Type</A
>,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
><DT
>uuid-ossp,
    <A
HREF="uuid-ossp.html"
>uuid-ossp</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN145169"
>V</A
></H2
><DL
><DT
>vacuum,
    <A
HREF="routine-vacuuming.html"
>Routine Vacuuming</A
>,
    <A
HREF="sql-vacuum.html"
>VACUUM</A
>
  </DT
><DT
>vacuumdb,
    <A
HREF="app-vacuumdb.html"
>vacuumdb</A
>
  </DT
><DT
>vacuumlo,
    <A
HREF="vacuumlo.html"
>vacuumlo</A
>
  </DT
><DT
>vacuum_cost_delay configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST"
>Cost-based Vacuum Delay</A
>
  </DT
><DT
>vacuum_cost_limit configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST"
>Cost-based Vacuum Delay</A
>
  </DT
><DT
>vacuum_cost_page_dirty configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST"
>Cost-based Vacuum Delay</A
>
  </DT
><DT
>vacuum_cost_page_hit configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST"
>Cost-based Vacuum Delay</A
>
  </DT
><DT
>vacuum_cost_page_miss configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-VACUUM-COST"
>Cost-based Vacuum Delay</A
>
  </DT
><DT
>vacuum_defer_cleanup_age configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-MASTER"
>Master Server</A
>
  </DT
><DT
>vacuum_freeze_min_age configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>vacuum_freeze_table_age configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>value expression,
    <A
HREF="sql-expressions.html"
>Value Expressions</A
>
  </DT
><DT
>VALUES,
    <A
HREF="queries-values.html"
>VALUES Lists</A
>,
    <A
HREF="sql-values.html"
>VALUES</A
>
  </DT
><DD
><DL
><DT
>determination of result type,
    <A
HREF="typeconv-union-case.html"
>UNION, CASE, and Related Constructs</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>varchar,
    <A
HREF="datatype-character.html"
>Character Types</A
>
  </DT
><DT
>variadic function,
    <A
HREF="xfunc-sql.html#XFUNC-SQL-VARIADIC-FUNCTIONS"
>SQL Functions with Variable Numbers of Arguments</A
>
  </DT
><DT
>variance,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
><DT
>population,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>sample,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>var_pop,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>var_samp,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>version,
    <A
HREF="tutorial-accessdb.html"
>Accessing a Database</A
>,
    <A
HREF="functions-info.html"
>System Information Functions</A
>
  </DT
><DD
><DL
><DT
>compatibility,
    <A
HREF="upgrading.html"
>Upgrading a PostgreSQL Cluster</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>view,
    <A
HREF="tutorial-views.html"
>Views</A
>
  </DT
><DD
><DL
><DT
>implementation through rules,
    <A
HREF="rules-views.html"
>Views and the Rule System</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>updating,
    <A
HREF="rules-update.html#RULES-UPDATE-VIEWS"
>Cooperation with Views</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>Visibility Map,
    <A
HREF="storage-vm.html"
>Visibility Map</A
>
  </DT
><DT
>VM
  </DT
><DD
><DL
><DT
>see Visibility Map</DT
></DL
></DD
><DT
>void,
    <A
HREF="datatype-pseudo.html"
>Pseudo-Types</A
>
  </DT
><DT
>VOLATILE,
    <A
HREF="xfunc-volatility.html"
>Function Volatility Categories</A
>
  </DT
><DT
>volatility
  </DT
><DD
><DL
><DT
>functions,
    <A
HREF="xfunc-volatility.html"
>Function Volatility Categories</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>VPATH,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN145265"
>W</A
></H2
><DL
><DT
>WAL,
    <A
HREF="wal.html"
>Reliability and the Write-Ahead Log</A
>
  </DT
><DT
>wal_block_size configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>wal_buffers configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>wal_debug configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>wal_keep_segments configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-MASTER"
>Master Server</A
>
  </DT
><DT
>wal_level configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>wal_receiver_status_interval configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-STANDBY"
>Standby Servers</A
>
  </DT
><DT
>wal_segment_size configuration parameter,
    <A
HREF="runtime-config-preset.html"
>Preset Options</A
>
  </DT
><DT
>wal_sender_delay configuration parameter,
    <A
HREF="runtime-config-replication.html#RUNTIME-CONFIG-REPLICATION-MASTER"
>Master Server</A
>
  </DT
><DT
>wal_sync_method configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>wal_writer_delay configuration parameter,
    <A
HREF="runtime-config-wal.html#RUNTIME-CONFIG-WAL-SETTINGS"
>Settings</A
>
  </DT
><DT
>warm standby,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>WHERE,
    <A
HREF="queries-table-expressions.html#QUERIES-WHERE"
>The WHERE Clause</A
>
  </DT
><DT
>where to log,
    <A
HREF="runtime-config-logging.html#RUNTIME-CONFIG-LOGGING-WHERE"
>Where To Log</A
>
  </DT
><DT
>WHILE
  </DT
><DD
><DL
><DT
>in PL/pgSQL,
    <A
HREF="plpgsql-control-structures.html#AEN54366"
>WHILE</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>width,
    <A
HREF="functions-geometry.html"
>Geometric Functions and Operators</A
>
  </DT
><DT
>width_bucket,
    <A
HREF="functions-math.html"
>Mathematical Functions and Operators</A
>
  </DT
><DT
>window function,
    <A
HREF="tutorial-window.html"
>Window Functions</A
>
  </DT
><DD
><DL
><DT
>built-in,
    <A
HREF="functions-window.html"
>Window Functions</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>invocation,
    <A
HREF="sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS"
>Window Function Calls</A
>
  </DT
><DD
><DL
></DL
></DD
><DT
>order of execution,
    <A
HREF="queries-table-expressions.html#QUERIES-WINDOW"
>Window Function Processing</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>WITH
  </DT
><DD
><DL
><DT
>in SELECT,
    <A
HREF="queries-with.html"
>WITH Queries (Common Table Expressions)</A
>,
    <A
HREF="sql-select.html"
>SELECT</A
>
  </DT
><DD
><DL
></DL
></DD
></DL
></DD
><DT
>witness server,
    <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
>
  </DT
><DT
>work_mem configuration parameter,
    <A
HREF="runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-MEMORY"
>Memory</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN145339"
>X</A
></H2
><DL
><DT
>xid,
    <A
HREF="datatype-oid.html"
>Object Identifier Types</A
>
  </DT
><DT
>xmax,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DT
>xmin,
    <A
HREF="ddl-system-columns.html"
>System Columns</A
>
  </DT
><DT
>XML,
    <A
HREF="datatype-xml.html"
>XML Type</A
>
  </DT
><DT
>XML export,
    <A
HREF="functions-xml.html#FUNCTIONS-XML-MAPPING"
>Mapping Tables to XML</A
>
  </DT
><DT
>XML option,
    <A
HREF="datatype-xml.html#AEN6930"
>Creating XML Values</A
>,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>xml2,
    <A
HREF="xml2.html"
>xml2</A
>
  </DT
><DT
>xmlagg,
    <A
HREF="functions-xml.html#FUNCTIONS-XML-XMLAGG"
>xmlagg</A
>,
    <A
HREF="functions-aggregate.html"
>Aggregate Functions</A
>
  </DT
><DT
>xmlbinary configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>xmlcomment,
    <A
HREF="functions-xml.html#AEN15516"
>xmlcomment</A
>
  </DT
><DT
>xmlconcat,
    <A
HREF="functions-xml.html#AEN15532"
>xmlconcat</A
>
  </DT
><DT
>xmlelement,
    <A
HREF="functions-xml.html#AEN15550"
>xmlelement</A
>
  </DT
><DT
>XMLEXISTS,
    <A
HREF="functions-xml.html#XML-EXISTS"
>XMLEXISTS</A
>
  </DT
><DT
>xmlforest,
    <A
HREF="functions-xml.html#AEN15582"
>xmlforest</A
>
  </DT
><DT
>xmloption configuration parameter,
    <A
HREF="runtime-config-client.html#RUNTIME-CONFIG-CLIENT-STATEMENT"
>Statement Behavior</A
>
  </DT
><DT
>xmlparse,
    <A
HREF="datatype-xml.html#AEN6930"
>Creating XML Values</A
>
  </DT
><DT
>xmlpi,
    <A
HREF="functions-xml.html#AEN15603"
>xmlpi</A
>
  </DT
><DT
>xmlroot,
    <A
HREF="functions-xml.html#AEN15618"
>xmlroot</A
>
  </DT
><DT
>xmlserialize,
    <A
HREF="datatype-xml.html#AEN6930"
>Creating XML Values</A
>
  </DT
><DT
>xml_is_well_formed,
    <A
HREF="functions-xml.html#XML-IS-WELL-FORMED"
>xml_is_well_formed</A
>
  </DT
><DT
>xml_is_well_formed_content,
    <A
HREF="functions-xml.html#XML-IS-WELL-FORMED"
>xml_is_well_formed</A
>
  </DT
><DT
>xml_is_well_formed_document,
    <A
HREF="functions-xml.html#XML-IS-WELL-FORMED"
>xml_is_well_formed</A
>
  </DT
><DT
>XPath,
    <A
HREF="functions-xml.html#FUNCTIONS-XML-PROCESSING"
>Processing XML</A
>
  </DT
><DT
>xpath_exists,
    <A
HREF="functions-xml.html#FUNCTIONS-XML-PROCESSING"
>Processing XML</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN145415"
>Y</A
></H2
><DL
><DT
>yacc,
    <A
HREF="install-requirements.html"
>Requirements</A
>
  </DT
></DL
></DIV
><DIV
CLASS="INDEXDIV"
><H2
CLASS="INDEXDIV"
><A
NAME="AEN145420"
>Z</A
></H2
><DL
><DT
>zero_damaged_pages configuration parameter,
    <A
HREF="runtime-config-developer.html"
>Developer Options</A
>
  </DT
><DT
>zlib,
    <A
HREF="install-requirements.html"
>Requirements</A
>,
    <A
HREF="install-procedure.html"
>Installation Procedure</A
>
  </DT
></DL
></DIV
></DIV
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